Professional Signal Jammer Information Sharing

High-power wireless signal jammers are typically used in outdoor open areas and larger open areas, while low-power types are used in indoor environments. If you choose the opposite way and install the low-power version outdoors, this is rare and can only be done in special circumstances.

Wireless signal jammer systems are usually installed in schools, prisons, large conference centers and other places, because when these units block mobile phone signals, they need to cover a very large area and also involve the shielding of multiple buildings and rooms.

First, we need to understand the basic principles and functions of the anti-unmanned interference system. The uav jammer is a comprehensive system specially used to monitor, identify, interfere and control UAVs. It uses advanced radar technology, radio interference technology, photoelectric detection technology and other means to conduct all-round monitoring and defense of drones.

In order to effectively deal with this problem, the anti-unmanned jamming system came into being and became a powerful tool to solve the problem of flying flying aircraft in the dark. This article will discuss in detail how the drone jammer solves the problem of flying drones flying around.

First, we need to clarify the basic functions of the anti-unmanned interference system(drone jammer). The anti-unmanned interference system mainly implements effective defense and control of UAVs through monitoring, identification, positioning and taking necessary interference measures.

Technical content is one of the most important factors that determines the price of signal jammer equipment power amplifiers. Modern signal interference equipment power amplifiers usually use advanced electronic technologies, such as radio frequency technology, microprocessor control, etc.

Signal interference equipment power amplifier is a special electronic device that is mainly used to enhance and process various signals. It works by increasing the amplitude and power of a signal for better reception or transmission. This is extremely important for improving communication quality, enhancing positioning accuracy, and even in anti-interference scenarios.

Signal Jamming Equipment A power amplifier is a device used to enhance signal strength. It can amplify weak signals enough to be received and processed by the receiver. In modern communication systems, signal interference equipment power amplifiers are an indispensable part, and they play an important role in improving communication quality and stability.

The power amplifier module is an important part of the signal jammer equipment. Its main function is to amplify the interference signal and enhance its interference effect on surrounding equipment. Around a device with a power amplifier module installed, surrounding devices will experience greater interference, degrading their network performance.

With the development of science and technology, signal jammer equipment is increasingly used in various fields. This article will provide an overview of signal jamming equipment power amplifier modules and compare their technology and performance.

Signal shielding equipment power amplifier modules play an important role in many fields, including military, scientific research, education and communications industries. The performance of the power amplifier module directly affects the performance of the signal shielding equipment.

With the continuous development of drone technology, the power amplifier of drone jammer equipment has become an important part of the drone field. It not only improves the performance of the drone, but also provides the drone with more stable control and higher flight efficiency.

Currently, power amplifiers for Drone jammer equipment on the market are mainly divided into two types: high-end and low-end. High-end models of power amplifiers have excellent performance and can provide higher power output and more stable signals, making them suitable for high-end drones and special application scenarios.

The UAV jammer equipment power amplifier is a device that can enhance the flight and operation power of the UAV. It enables drones to operate stably at longer distances, at higher altitudes, and in harsher environments, thereby expanding the scope of drone applications and improving work efficiency.

With the advancement of science and technology, the signal shielding equipment amplifier module, as an efficient information control device, has been widely used in many fields. With its powerful shielding function, it effectively blocks the transmission of various signals and provides a safe and quiet environment for various places. This article will introduce in detail the application fields of signal shielding equipment power amplifier modules.

In today's information age, signal shielding devices have become an important tool for protecting privacy and information security. As an important part of signal shielding equipment, the power amplifier module's performance and efficiency directly affect the overall performance of the equipment.

Signal Shielding Equipment One of the main advantages of amplifier modules is their powerful signal shielding capabilities. This module can effectively shield various wireless signals, such as Wi-Fi, Bluetooth, GPS, etc., thereby effectively preventing electromagnetic interference and preventing equipment from being interfered with.

Directional antenna literally means directional. When explaining to some customers who are not familiar with the field of wireless communications, a vivid metaphor is sometimes used, that is, the radiation emitted by a directional antenna emits wireless signals in one direction, just like The same light as a flashlight.

What needs to be made clear is that the shielding signal emitted by the 5G signal jammer is a radio frequency signal. Although the transmission and coverage of this wireless signal will affect the coverage and coverage direction of the shielding signal due to the directional antenna or omnidirectional antenna used, it is Control within the corresponding range or distance.

Faced with the problem of signal interference with power amplifier modules, simple technical operations or adjustments often cannot completely solve the problem. This requires the use of professional technical means, such as signal analysis, filter design, circuit optimization, etc., to effectively mitigate or even eliminate interference.

Self-developed technology is an important criterion for measuring a company's core competitiveness. Manufacturers with self-developed technology can better understand the inner workings of their products, allowing them to better design and optimize them.

First, we need to understand what a signal jammer device power amplifier is. Simply put, this is a device used to enhance and filter radio signals at specific frequencies. Its main function is to block or enhance the radio signals we don't want or need to receive, while allowing the radio signals we do need to pass through.

Signal jammer equipment power amplifier is a special device mainly used to enhance the transmission capability of wireless signals in order to better shield interference and noise. Its function is to maximize the amplification and transmission of wireless signals under limited power conditions to ensure that it works effectively in a specific area.

Signal shielding equipment power amplifier is a device specially used to enhance the electromagnetic shielding effect. It amplifies and enhances the surrounding electromagnetic signals, thereby improving the signal shielding effect, achieving effective interference with electronic equipment in a specific area, and achieving the purpose of protecting military facilities.

In today's information age, the transmission and reception of communication signals is crucial to all walks of life. However, with the development of science and technology, the problems of electromagnetic interference and signal interference generated by various electronic devices have become increasingly prominent.

So what we need to consider is where they can get such high-quality portable GPS signal callbacks at good and discounted prices. If so, then come here www.dojammer.com and you will find that you can get such a GPS signal blocking device at an affordable price.

Understanding abnormal receiving sensitivity is very important for the installation and use of jammers. Because there are a variety of signals in an environment, and the hardness of various signals is different, therefore, by understanding the local receiving sensitivity, a safety jammer can be designed and manufactured purposefully.

Mobile phone signal jammers are mainly suitable for various examination rooms, schools, gas stations, churches, courts, public libraries, international conference centers (rooms), movie theaters, hospitals, government agencies, finance, prisons, public security agencies, Places where the use of mobile phones is strictly prohibited, such as important national defense areas.

As our living standards improve, most people are increasingly concerned about their daily lives and personal privacy. As more and more signal tracking devices enter modern society, we must take action to compete with these tracking devices. This GPS cell phone jammer can help you and become a good helper.

The 5G signal jammer VCO is a voltage controlled oscillator. The mobile 5G signal jammer frequency range is 2655MHz-2815MHz, the 4800-4900MHz telecom network signal jammer frequency range is 3400MHz-3500MHz, and the China Unicom 5G signal jammer frequency range is 3500MHZ-3600MHz.

Manufacturers of shielded signal jammer power amplifier modules should strengthen technology research and development and innovation, and continuously introduce innovative products and technologies to meet the needs of the market and users.

One of the main functions of the power amplifier module of shielded signal equipment is that the power amplifier module usually contains a power amplifier chip, which can amplify weak signals so that they can be transmitted over longer distances or output to other devices. This is not only crucial for communication equipment, but also Facilitate other types of signal transmission.

There are many kinds of products in the domestic electronic mobile phone jammer sales market, and the brands are also showing a flourishing situation. So Chengdu Saiyue Communications, which has 12 years of experience so far, has prospered along the way with its excellent consumer user reviews and the strong professional strength of its own products.

For some people, if they only need to use a signal shielding device in a fixed place, and have very high requirements on shielding distance, etc., then they would best choose a desktop signal jammer, but for those who need to use external signal shielding and want to take their signal blocker with them when they are outside, there is no doubt that they should use a handheld signal blocker, just here you will know the details of handheld GPS cell phone signal blocker that can help you get rid of track.

Some people want to install wireless signal jammers to prevent eavesdropping. Applying a jammer to an anti-eavesdropping scene requires analysis from the eavesdropping method or type of eavesdropping equipment. There are currently two common eavesdropping methods.

Dexinkang's portable frequency interference meter adopts a lightweight and portable design, making it convenient for users to carry out safety protection anytime and anywhere. Whether you are on a business trip, vacation or daily life, it can build a solid protective barrier for you to prevent malicious attacks and information theft.

Dexincon's portable full-band jammer uses advanced broadband jamming technology to achieve full-band coverage. Whether it is a mobile phone, walkie-talkie, radio or other communication device, this product can effectively interfere and suppress, allowing you to cope with various electromagnetic environments with ease.

As we all know, electromagnetic waves cannot penetrate metal mesh. The materials for making electromagnetic shielding curtains are mainly nylon or polyester fiber metal fibers with copper, nickel and other metals plated on their surfaces. The surface layer of the fiber is made of highly conductive copper, while the surface layer is made of oxidation-resistant and corrosion-resistant nickel.

Multifunctional cell phone signal jammer is produced to reasonably avoid and interfere with mobile phone related signals, such as GPS, WiFi, 2G, 3G, 4G or 5G. They are mainly used in military camps, school examination rooms, prisons, detention centers, etc.

A cell phone signal jammer is a device that can block mobile phone signals. It is usually used in specific places or emergencies to protect people from the threat of electromagnetic interference. Cell phone signal jammers mainly work by blocking cell phone signals.

In some conference rooms, using a full band signal jammer can effectively block the signals of China Telecom and China Unicom numbers, but it cannot effectively block mobile signals or the blocking interval is short. In some conference rooms, using a full-band signal jammer can effectively block the signals of China Telecom and China Unicom numbers, but it cannot effectively block mobile signals or the blocking interval is short.

A portable 5G mobile phone jammer is a device used to shield or block 5G signals, usually produced by professional manufacturers. Price depends on a variety of factors, including model, performance, supported frequency bands, purchase quantity, etc.

Large meetings often involve sensitive information and confidential discussions, and to ensure the confidentiality and reliability of communications during the meeting, an effective blocking solution is required. To solve this problem, 5G jammers have become a popular solution.

Especially in the period just after 2022, both Huawei and Apple have successively released mobile phones equipped with satellite communication technology, which has caused a wave of craze both inside and outside the industry. People have speculated: Have we completely entered the era of satellite Internet? What impact will the rise of satellite communications have on our lives?

The Dou satellite navigation test system consists of three parts: the space constellation section, the ground operation and control section and the user terminal section. The space constellation segment includes three GEO satellites respectively fixed over the equator at 80 degrees, 110.5 degrees and 140 degrees east longitude.

Currently, UAV technology is developing in the direction of miniaturization, clustering, stealth and intelligence. In particular, the cooperation of a group of multiple drones or a formation of drones and manned drones has become the focus of research and development in major countries in the world. Against this background, the development of UAV jammer technology has also shown trends such as mobility, flexibility, both software and hardware, system integration, and high intelligence.

With the arrival of 5G, domestic operators are encountering the "four generations under one roof" of 2G, 3G, 4G and 5G. However, this brings not happiness but pain and pressure. Operation and maintenance costs remain high, spectrum resources are limited, sites Insufficient resources have seriously affected the development of my country's information and communications industry.

As an advanced security management tool, drone navigation deception equipment provides strong technical support for ensuring security and privacy. Our equipment has made breakthroughs in performance and stability, creating a safer and more harmonious aerial environment for users.

The UAV jammer system is a technical device designed to maintain the security of a specific area. It mainly achieves this by interfering with, detecting, and even destroying the communication and navigation systems of UAVs. However, whether the use of this system will affect mobile phone signals is a matter of great concern.

A cell phone jammer is a device that blocks or weakens cell phone signals. The operating time depends on several factors, including the type of device, battery capacity, frequency of use, and the strength of the signal shielding.

It should be noted that different countries and regions may have different regulations and restrictions on the use of specific frequency bands. Therefore, when selecting and setting up a surveillance system, local laws and regulations should be followed to ensure legal and appropriate frequency band usage.

WiFi signal jammers are often used to block or interfere with wireless network signals, thereby preventing communication between devices. However, WiFi signal jammers do not directly block surveillance videos. Surveillance video is usually transmitted over a wired connection or a dedicated video transmission system, rather than over a WiFi network.

Carefully compare and select a vehicle modification factory that can complete the modification work of the vehicle-mounted mobile phone signal jammer, and carry out detailed modification plan design and planning with it, and implement the details of each modification work of the vehicle-mounted mobile phone signal jammer.

After some large units install wireless network shielding devices, they often neglect the subsequent inspection and maintenance of the system. After a period of accumulation, several small problems may add up to a big problem, causing the entire system to be in poor operating status.

Any customer who has a certain understanding of mobile phone shielding equipment will know that the effective shielding distance of 5G signals is closely related to the environmental signal strength of the site where it is used.

I want to install a cell phone signal jammer on a specific floor of a building. I just want the shielded signal of the cell phone signal shielding system to cover my own room and not affect the floors above and below. Can my wish be realized? ? What can be done without affecting the radio signal above or below?

Once the mobile phone is brought into the supervision place by some criminals through unknown means, and enters the supervision place for a fee, it will bring harm to the management, safety and development of the supervision place. Wireless signal jammers can prevent illegal intrusion and illegal use in the supervision area. Effective management and monitoring of time.

For Bluetooth and wifi, the wireless signal jammer can block these networks. Bluetooth and Wi-Fi frequency bands are added to the scanning range, which can block connections within the scanning range.

Due to the development of the market, drones are easy to obtain, and the phenomenon of "black flying" occurs frequently. The control of no-fly areas has always been a problem. If a drone breaks into the airport, it will directly endanger personnel safety, normal operation of the airport and economic benefits.

With the new round of innovation in swarm intelligence, system integration, network communication and collaborative control technologies, the autonomy and intelligence of UAV swarms have achieved rapid development.

A cell phone signal jammer in the form of a backpack, usually also called a portable mobile phone signal shielding instrument, is mainly used in outdoor environments or in the handling of temporary emergencies. Because it looks like a travel backpack, a normal adult man can Can be carried anywhere.

Some customers have a very clear purpose, which is to use 5G mobile phone jammers in the car. The required shielding range is limited to the inside of the vehicle. In this case, it is relatively easy to implement because the metal outer frame structure of the vehicle has A certain degree of isolation.

The conventional construction plan is to install the antenna of the vehicle-mounted mobile phone signal shielding instrument on the top of the vehicle. The advantages of this are obvious: The first advantage is that the height of the vehicle roof is reasonably utilized.

The application of 5G communication technology has been widely deployed and popularized in various cities in the past three or four years. Mobile phone end users have almost completed the upgrade process from 4G to 5G mobile phones.

The wide use of full-band jammers will cause certain interference to the base stations of mobile operators. The transmission distance is limited, so when the number is small, its interference impact on mobile phone base stations is tolerable.

There is a signal displayed on the screen of the mobile phone. When making a call, the mobile phone can still be used normally, and the call quality is relatively good and is not affected. In this case, it is possible that the full-band jammer does not achieve effective interference effect, or it is the interference of the signal jammer.

Conventional mobile phone signal jammers use white noise broadband transmission and rely on power to suppress interference to achieve signal shielding. With the rapid deployment of 5G base stations by various communication operators in recent years, the excessive density of base stations will cause customers to feel The effective distance of signal shielding becomes shorter.

We often receive some customers to put forward such demand: expect to purchase a cell phone signal jammer with small body shape, light weight, and easy to carry. The usage scenario is a bit special. When turning on the interference equipment, at least one wall is across the wall. Put the interference signal penetrating the wall to generate signal interference effects on the area on the other side of the wall.

In areas where TD-LTE in the D1/D2 frequency band has not been cleared, under long-term load conditions in TD-LTE residential quarters, terminal equipment will cause rising co-frequency interference in the same covered 5G residential quarters, which seriously affects the characteristics of 5G Internet.

If you found yourself with a tracking device in your life, can you think of a thought to protect yourself? Naturally, the answer is no doubt, and it is indeed necessary.

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If we go back to 5 years or even 10 years ago, the 5G communication technology was not put into use at that time. At that time, most of the voice communication of mobile phones used the 2G network, and the 3G or 3G network was only used for data Internet access.

Sometimes we will receive calls from individual customers who want to purchase mobile phone signal jammers from us, and will specifically confess that they need to interfere with the car remote control.

First of all, let me explain that the base station of a mobile phone can cover a radius of 2-3 kilometers, or even farther, because the frequency bandwidth of the base station is limited.

There are three main reasons: the first reason is that low-power mobile phone signal shielding instruments are almost always used in fixed indoor environments.

The online version of the mobile phone signal jamming instrument has obvious advantages over the stand-alone version of the mobile phone signal jammer.

The corresponding 5G mobile phone signal shielding device has also been upgraded and iterated accordingly, and the 5G signal shielding device has been added simultaneously. shielding function.

The portable drone countermeasure gun is professionally developed by the drone countermeasure equipment company. It adopts the latest technology and can emit high-frequency signals to interfere with the communication signal and navigation signal of the drone, so that the drone cannot fly or lose control.

A mobile phone signal jammer is a device specially designed to shield, block or interfere with mobile phone signals. It can effectively block the communication function of surrounding mobile phones, protect the security of sensitive information, and maintain the order and safety of the place.

UAV interference impact counterattack equipment is usually composed of impact transmitter module, transmit antenna, corresponding battery management and control circuit, among which the impact transmitter module and transmit antenna are directly related to the counterattack effect, especially the counterattack distance.

This type is an anti-drone mode that is more suitable for the proliferation and widespread use of drones. The broad application of interdiction counter-drone strategies involves firing directed sound waves or radio frequency at target drones, affecting the drone's hardware or disconnecting the communication between the drone and the controller, thereby forcing the drone to land or return on its own.

Today's information security work defense is imminent, especially now that information technology is becoming more and more advanced, and the emergence of many high-tech equipment makes information protection work more and more difficult. Now many units in various regions are making great sacrifices in order to prevent the security facilities from being breached in special areas.

The local explosion-proof team quickly rushed to the scene of the incident and dispatched information jamming vehicles. The information jamming vehicle is equipped with a high-power cell phone signal jammer, which can effectively block the communication between gangsters and their accomplices, so as to safely rescue the hostages.

7/8 leaky cable is the abbreviation of leaky coaxial cable (Leaky Coaxial Cable), usually referred to as leaky cable or leaky cable, its structure is basically the same as that of ordinary coaxial cable, consisting of inner conductor, insulating medium and periodic slots The outer conductor of the hole consists of three parts.

In the product introduction of many mobile phone signal jammers, there will be a logo about the GSM900 frequency band, which indicates that the device has the signal shielding ability for the GSM900 frequency band. A customer asked a question because of this: Is the GSM900 frequency band the 2G frequency band? Is the GSM900 in the cell phone signal jammer only 2G shielded signal?

The purpose of doing this is to not want the shielding signal range to be too large, thereby affecting or interfering with other irrelevant areas. Then, for the mobile phone jammer with power adjustment, does it adjust the transmission power as a whole or by frequency bands?

The machinery at the gas station is controlled by computers. The data signal will seriously affect the normal operation of all mechanical equipment, and measurement and detection are strictly prohibited. More importantly, there will be flames when the mobile phone is dialed, which is likely to cause safety accidents and gas station explosions.

Some time ago, the General Administration of Chengdu Radio Management Unit received a complaint from the telecom operator, and quickly organized a joint law enforcement team to investigate the shielded areas of the communication base station one by one.

The new semester has begun, and this semester is the new college entrance examination period. At present, many colleges and universities that have been listed as test centers have begun to purchase anti-cheating equipment in large quantities, and are preparing to install test room signal jammers in test preparation classrooms in advance.

The news is probably that the mobile phone signal jammer will be used near the test site in the near future, which will seriously affect the vehicle data signal, causing the car door to not work normally or cannot be opened. For car doors, the solution is to use a mechanical device key to open the door.

In fact, there are good and bad things. Mobile phones have brought us great convenience in our daily life, but they have also brought us some unavoidable problems. For example, mobile phones cannot be used on certain occasions. In order to prevent it from being used in some special occasions, a device such as a mobile phone signal jammer was born.

In some conference rooms, using a full-band signal jammer can effectively shield the signals of China Telecom and China Unicom numbers, but it cannot effectively shield mobile signals or the shielding interval is relatively short.

This is because a full-screen examination room mobile phone signal jammer is used in the examination room. equipment to cheat, but how to upgrade the old full-screen mobile phone signal jammer in use now to interfere with 5G?

The so-called directional antenna, it can be seen literally that it must be directional. When explaining to some customers who are not familiar with the field of wireless communication, sometimes a vivid analogy is used, that is, the radiation emitted from the directional antenna. The wireless signal is emitted in one direction just like the light from a flashlight.

Before installing a full-band signal jammer, it is essential to test the shielding effect. The test can determine whether the signal jammer meets the shielding requirements of the entire conference room, and can determine how many jammers are needed for this conference room. This article will introduce you how to test the full-band cell phone jammer.

The full-band signal jammer is a widely used device. It can generate interference signals to shield communication signals, but at the same time, it will have a certain interference effect on the surrounding mobile operator base stations.

The vehicle-mounted signal jammer device is a jamming device installed on the vehicle, which is mainly used to shield or interfere with the signals of wireless communication equipment, such as mobile phone signals and remote control signals.

The use of full-band signal jammers in school exams has become a trend, but there are many issues to consider before using them. For example, when the jammer is activated, the mobile phone will display a signal, why is this?

The full-band signal jammer is a device that has attracted much attention in modern society, and it is expected to help people effectively avoid various interference problems. However, with the widespread popularization of mobile communication terminals, conventional low-power signal jammers also face various challenges and limitations.

In different environments, the material of the wall will also affect the attenuation degree of the full-band signal jammer. For example, walls made of light steel keel plasterboard, glass and wooden doors have less attenuation.

In the meeting, the frequency jammer is a very important equipment to ensure the safety of the meeting. However, for large meeting places, traditional interferometers either need to be equipped in each meeting room, or need to be used in a staggered time.

First of all, we need to understand what is a piggyback signal jammer. As the name implies, the piggyback signal jammer is a device that can be worn on the body, which can shield electromagnetic wave signals, so as to achieve the purpose of reducing mobile phone radiation and protecting personal information.

Different application scenarios require different frequency bands and degrees of shielding. For example, hospitals need to shield high frequency bands, and military bases need to shield all signals from low frequency to high frequency and require a high level of shielding.

The current wireless signal jammers are of various types and styles. After selecting and installing the shielding equipment, some customers put forward certain requirements for the start-up and shutdown functions of the equipment.

Usually, during various types of examinations, the competent unit of the examination will use two methods when using the mobile phone jammer in the examination room.

The all frequency jammer alarm system can effectively manage the illegal acquisition and use of communication tools such as mobile phones in the supervision area, thus playing the role of assistance and prevention.

First, we can consider increasing the number of shields. By using multiple interferometers together, the requirement of covering the entire meeting room can be achieved. Although this method can improve the coverage of the jammer, it requires more investment and is not very practical.

In view of the common social phenomenon that mobile phones are getting closer to people's lives and have a greater impact on people's lives, military personnel can use mobile phones (including smart cell phone). However, this also adds more uncertain risks to the military's secret management work.

The full-band mobile phone jammer interferes with mobile phone signals by emitting radio frequency signals of the same frequency as mobile phones. When using a mobile phone, it is necessary to access the base station of the communication operator, and mobile phones of different standards use different frequencies.

First of all, if the mobile phone can still make calls and the call quality is good after turning on the full-band signal jammer, it is likely that the effective shielding effect has not been achieved within the shielding range of the jammer.

With the development of modern technology, mobile phones have become a necessity for people to carry with them. Examination is an important evaluation tool. In order to ensure fairness, full-band signal jammers are installed in the school examination room. However, when installing a full-band signal jammer, how to choose a suitable point is very critical.

Generally speaking, most of the full-band signal jammers used in prisons are of low-power type, and their RF transmission power is usually 2-3W for each frequency band, and the total RF transmission power of the whole machine is about 30W. At the same time, their overall power consumption is roughly in the range of 120-200W.

In some occasions, such as meeting rooms, movie theaters and other places, in order to maintain order and a quiet environment, mobile phone signals are usually shielded. The most common and effective way to limit the use of mobile phones is to use a full band signal jammer to shield mobile phone signals.

First of all, let's take a look at the emergence of mobile phone signal jammers. The cell phone signal jammer is a device that can shield mobile phone signals, which can effectively prevent the transmission of mobile phone signals, so as to achieve the purpose of shielding mobile phone signals.

It will emit a special electromagnetic wave to shield the surrounding wireless signals, so as to prevent cheating. The working effect of the signal jammer in the examination room is affected by many factors, including the quality of the equipment, the strength of the signal, the influence of the surrounding environment and so on.

With the continuous upgrading of communication technology, 5G network has gradually become popular, but in the examination room, the interference of mobile phone signals is still a serious problem. In order to ensure the fairness and safety of the test, the test room signal jammer came into being.

During the exam, the ringtone and vibration of the mobile phone will interfere with the psychological state of the candidates, and even cause cheating. Therefore, in order to ensure the fairness and seriousness of the exam, the school will use the cell phone signal jammer in the examination room to block the mobile phone signal.

The test room signal jammer is a device specially used to shield wireless signals. It can effectively prevent the use of mobile phones, wireless networks, Bluetooth and other wireless devices in the test room, so as to ensure the fairness and safety of the test.

A signal jammer is a device used to shield radio signals, which can prevent the transmission of radio signals, thereby protecting confidential information and preventing interference. In schools, high-power signal jammers are widely used in exams, meetings and other occasions that require confidentiality.

At present, the wireless signal jammer is still an unpopular product in a niche field that is not well known to ordinary people, but in fact it has been popularized and applied in many scenarios, and has a wide range of market demands.

The application demand of wireless signal jammers in the non-military field is already great. It is mainly aimed at signal interference for all common wireless communication tools and instruments in the 20-6000MHz frequency range (meter wave, decimeter wave).

The function of the mobile phone signal jammer is to block the mobile phone signal, so as to achieve the purpose of privacy protection. It can shield the mobile phone signal within a certain range, so that the outside cannot obtain the information of the mobile phone, effectively protecting personal privacy.

With the advancement of technology, it is almost inevitable for people to use mobile phones nowadays, however, our mobile phone signal may be violated by insecurity. Therefore, in order to improve the security of our mobile phone signal, the signal jammer came into being. This article will introduce the mobile phone signal jammer, as well as its function, characteristics and application scenarios.

Nowadays, it has long been common to install signal shielding devices in the examination room during various examinations. Once a student taking the test enters the test, even if the student secretly brings a mobile phone or other electronic communication products in, it will be because of the existence of the signal shielding device in the test room.

In recent years, the phenomenon of cheating in the college entrance examination has been serious, which has brought great pressure to students' academic and future prospects. In order to prevent the phenomenon of cheating in the college entrance examination, we must understand the traditional cheating methods of the college entrance examination and the use of high-tech cheating methods, and propose effective solutions according to the actual situation.

First of all, mobile phone signal jammers can restrict employees from using mobile phones during working hours to a certain extent. Through this technology, employees' mobile phones will be forcibly turned off, and at the same time, the connection functions of wireless networks and multimedia applications will be restricted, so as to prevent employees from taking fish at work.

The problem of cheating in the college entrance examination has been going on for a long time, even in recent years. Some students will use traditional means of cheating, such as plagiarism, stealing answers to test questions, etc., to get better grades. However, with the development of technology, some students began to use high-tech cheating methods to cheat, such as using signal jammers.

The mobile phone signal jammer in the examination room is a new type of signal shielding device, which is usually based on wireless communication technology, can be connected to the mobile phone signal space jammer, and can also realize functions such as video surveillance and whitelist application authentication. It is divided into static and dynamic shielding.

To purchase mobile phone signal jammers for examination rooms, you can purchase them in physical stores. This procurement method is more traditional, but it is also more secure. When purchasing in a physical store, consumers can directly see the real condition of the product and avoid losses due to online purchases of fake products.

In recent years, with the continuous development of technology, smartphones, laptops and other wireless electronic devices have become more and more popular, and more mobile phone signals are increasing, especially in indoor areas, and signal pollution is becoming more and more serious. Therefore, many people hope to choose an efficient mobile phone signal jammer to reduce indoor signal pollution. Which brand of mobile phone signal jammer is better?

For the full-screen segment signal jammer, before the control module of the full-screen segment signal jammer is plugged in, the wireless antenna on the ceiling needs to be lifted up. The full-screen segment signal jammer uses an omnidirectional antenna. Only when the wireless antenna is vertical on the ground can it For best results.

According to these problems, Chengdu 8341 Information Technology Co., Ltd. has developed a device that can effectively block mobile signals, that is, a full-screen segment signal jammer, which can effectively prevent the occurrence of eavesdropping problems.

For example, a mobile phone signal jammer with a coverage of up to 7-8 meters, the price may be between 200-400 yuan; and a mobile phone signal jammer with a coverage of up to 10-20 meters, the price It will probably be in the $500-$8000 range, although higher priced models are also available.

Recently, the college entrance examination cell phone blocker has become a hot topic. The college entrance examination jammer can effectively control the environment of the examination room, prevent students from using mobile phones to cheat and violate regulations, and ensure the safety of the examination room and the fairness of the test.

First, the whole system of the vehicle-mounted cell phone signal jammer uses DDS high-power modules, which are convenient and quick to install and maintain. The frequency range and output power can be calculated quickly through software. It can be adjusted flexibly.

Among them, one of the more important equipment in the layout of the examination room must be inseparable from our full-band examination room signal shielding device. This equipment is mainly used to shield all mobile, telecommunications, China Unicom and other network signals in the examination room to avoid people during the examination. Using mobile phones to cheat, so the test room equipped with a full-band test room signal shielding device can effectively avoid this situation.

Today's era is a stage of rapid development of wireless networks. The development of wireless networks has brought great convenience to people's lives, but as some people use wireless networks to commit crimes, this has also brought a lot of challenges to the police. . So now there is a cell phone signal jammer device that can effectively prevent those who use wireless networks to commit crimes.

In fact, to figure out this problem, we first need to know what the working principle of the signal jammer in the examination room is. When the mobile phone is working, within a certain working frequency band, the mobile phone and the base station are connected according to electromagnetic waves, and data and music are transmitted with a certain serial port baud rate and modulation mode.

The emergence of this situation is actually taking into account that this is the period of the college entrance examination to prevent "emergencies". For example: now there are many candidates who do not abide by the rules to use high-tech equipment to cheat, so now almost all college entrance examination centers will install cell phone signal jammers around and even inside the examination room.

The electronic equipment cheating artifact, the examination room has bought the test room signal jammer as a counterattack method, but the area of its interference is very limited, so a new doubt arises, can the test room signal jammer pass through the wall? Does it still have the effect of shielding the signal after passing through the wall?

Generally speaking, the meeting room in the company needs to use the cell phone signal jammer to block the mobile phone signal, so as to avoid the situation that someone uses the mobile phone during the meeting, which will affect the progress of the meeting.

As an organizer or manager of a standardized examination room, it is first necessary to distinguish the implementation goals and implementation plans of this project. The implementation goal is relatively easy to determine.

Movie theaters, opera houses and other venues for screenings and performances must be familiar to everyone. Many people often make plans to watch movies or enjoy opera and drama performances in their spare time. When entering the venue to check tickets, some venues will The prompt needs to turn off the mobile phone or set it to a silent state, so some friends thought of such a question: Will there be a cell phone signal jammer installed in the theater?

Among these problems, the problem of workers carrying and using mobile phones in the production process has brought management problems to the management personnel of the enterprise, and then the question arises: Is it necessary to install cell phone signal jammers in the manual production line workshop in the factory?

The signal jammer chooses the plug-in LIN6. The maximum shielding range of this model can reach 120㎡, and it can shield GSM, CDMA, DCS, WCDMA, TD-SCDMA, CDMA2000, TD-LTE, FDD-LTE, WIFI and other frequency bands. Simply put, it can block the 2G-4G, WIFI, and GPS networks of China Mobile, China Unicom, and China Telecom.

In recent years, the cell phone signal jammer system, as an important part of the digital construction project of the detention center, has been accepted and installed by many detention centers, and has been well applied in the system. Maybe some people will have doubts.

At present, more and more prisons have installed cell phone signal jammer systems, and we often receive project consultations from prisons. Some of the problems in the consultation process can be brought up for discussion and provide us with reasonable solutions.

Among the customers who use portable signal jammers, some are to prevent people from cheating in the examination room, and some are to create a quiet environment without electronic communication disturbance in the main venue, all of which are to create a quiet environment on special occasions achieve the purpose. In fact, some people do it for their own benefit.

According to the data of previous years, when the college entrance examination begins in July next year, the test room signal jammer equipped with electromagnetic signal blocking equipment will be assembled in many exams by the testing supervision agencies in various regions of my country as a way to prevent college entrance examination candidates from cheating.

In the past few years, the rapid development of communication technology and the products of various Internet companies have all been updated many times, from the previous original 2G network upgrade to the current 3G, 4G, and 5G data signal Internet, and at the same time, the signal jammers in the examination room are also constantly The upgrade has now been updated for many generations.

Types of qualification certificate examinations, as well as civil servants who apply for the examination every year, in the examination room, the cell phone signal jammer in the examination room is a relatively common auxiliary equipment in the examination room, and it is now relatively common.

The multiple "noise" electromagnetic wave data signal, the mobile phone can't hear what the base station is discussing, can't receive the signal of the base station normally, the connection between the two is disconnected, and the mobile phone will become a deserted island. All kinds of functions are in the state of hemiplegia.

The full-screen segment signal jammer information security defense system is a very professional contemporary communication signal shielding technology. In the past, especially the equipment in prisons, the harsh environment required higher requirements for communication interference technology.

Nowadays, many schools are using mobile phone signal jammers, but there are still some schools that have not installed signal shielding equipment. Recently, many customers have been consulting us, how many mobile phone signal jammers need to be installed in a classroom?

These problems will more or less affect the normal operation of the phone signal jammer. And the size of the transmission power to choose the phone signal jammer. After that, let the phone signal jammer manufacturer show the production certificate and choose the best one.

The principle of the cell phone signal jammer is: within a certain working frequency band, the mobile phone and the signal tower are connected to each other according to the electromagnetic wave, and the data and music are transmitted with a certain serial port baud rate and modulation mode.

There is a basic law in today's economic law: the special law of this economy is that the price trend is determined by the special value, and the price of the product will always fluctuate around the use value. This basic law is especially evident in the field of cell phone jammers.

The working principle of the cell phone signal jammer is to interfere with the electronic signal sent by the mobile base station by transmitting in a special frequency band, and the transmitted signal will forge the base station signal to achieve the function of blocking the mobile phone signal.

The full-band cell phone signal jammer will generate heat during long-term uninterrupted use. If it continues to deposit, it will cause damage to the interferometer itself, and there will be some safety hazards. A high-quality full-band mobile phone signal jammer should have good heat dissipation performance and be able to quickly release the heat of the device, thereby preventing continuous high temperature from endangering the normal operation of the device.

If parents or teachers use enforcement measures such as mobile phone restrictions to control students' mobile phones, many children will have a strong repulsion and increase the friction between parents or teachers and students! How to effectively manage students' use of smart phones has already attracted great attention from all walks of life.

According to National News, the godfather finally found a solution -- a cell phone jammer. The priest spent 90 yuan to purchase the two machines. During the interview, the priest said: He did this not because he was impatient, but because of the embarrassment he could see when she suggested that everyone turn off their mobile phones and concentrate on praying.

Among them, in the security work of special airspace, UAV countermeasure equipment is the most frequently used. The UAV jammer gun is welcomed by the security industry due to its easy-to-handle and easy-to-carry advantages. Whether it is a major meeting, a themed event, or a college entrance examination, everyone can see the drone anti-gun.

In fact, it shows a false signal. If you try to make a mobile phone call now, you will not be able to get through. When someone uses a mobile phone to make a call at will, it can be found that the signal indicator on the signal indicator is gone, and the mobile phone can no longer make calls.

In fact, the above communication principle can be understood as that the full-band mobile phone signal jammer will transmit low operating frequency to the wireless communication equipment at a specific speed during the startup process and move towards the high-end scanner.

In our daily life, full-screen signal jammers are used in many areas, but how much do we know about this kind of equipment that can shield signals? Probably you should only know that the full-screen segment signal jammer can affect the mobile phone signal.

How to deal with drones has now become a common problem in the national defense field. Due to the large number of models, the huge difference in cost, and the ability to fight in swarms, the traditional air defense methods used to deal with manned fighters have completely failed.

The mobile phone signal jammer system software is adjusted and managed according to a set of mobile phone software for the main control chip. The manager can clearly see the blocking situation in the monitoring area through the departmental frame diagram (equivalent to the online map of the enterprise) on the main control chip app.

Now, we are ready to take off, this is the remote control of ten drones, and then there are ten planes in front, we are now ready to take off, take off the first, second, third, fourth, fifth Taiwan, the sixth station.... Now all ten of our aircraft have taken off, and this drone jammer device can interfere with 5.8G2.4G1.5g. We started aiming at the drone and turned it all on.

Compared with signal jammers ten years ago, especially for the types of mobile phone signals, there are not as many mobile phone standards as now. At that time, there were only two standards for mobile phone signals, 2G and 3G, and the mobile phone frequency bands used.

During the installation and commissioning of the cell phone signal blocker, are all cell phone signals on site completely blocked? What is the effective range of the shielded signal coverage? These problems are all problems that engineers need to focus on and analyze during construction.

When some customers ask us about the signal jammer instrument, they will put forward the following requirements according to the needs of the application scenario: the product needs to be portable, preferably in the style of a suitcase, can be turned on at any time, can be used at any time, and can use the built-in battery powered without the need for an external AC power source.

By cutting off the UAV's remote control signal, data transmission, and image transmission signal (mainly 2.4G/5.8G for civil aircraft), the UAV will enter a self-protection state after signal loss, reaching The purpose of the forced landing or expulsion of the drone.

This technology is one of the advanced technologies in the field of UAV jammers at home and abroad. By cracking the UAV signal communication protocol, imitating the remote controller to send control signals to the UAV without affecting the normal operation of other equipment.

Here we are going to talk about the scope of work of Jammer, which is one of the most controversial issues in the field of equipment on the internet and is the concern of most of the customers.

Have you thought of buying a jammer but don't you get it? Most people have heard about cell phone jammer, know its function but not deep understanding, and even don't understand the specifications of jammer, and don't know how to choose a good jammer. Now we need to explain the specifications of the jammer so that you can know better.

The main purpose of GPS jammers is to block GPS tracking devices. About how it works, we are told in the article "What is a jammer". If you are concerned that someone is tracking you, you may need a GPS jammer to prevent others from using the GPS tracker to track you.

With the full popularization of 4G technology, the mobile phones we use at present, whether it is China Mobile, China Unicom or Telecom, generally use 4G mobile phone signals. In addition to the elderly phones that use 2G and 3G, the market has basically been occupied by 4G mobile phones.

There are many types of outdoor mobile phone signal jammers on the market now, and some customers do not know how to choose when buying a mobile phone signal jammer. Let me tell you about the market price of cell phone signal jammers. Users should choose a shield that suits them according to their usage scenarios and budget.

The conductive sponge made by this method not only has excellent conductivity, but also can shield electromagnetic waves. What are the characteristics of this material and its purchase requirements?

According to the shielding principle, electromagnetic shielding can be divided into electric field shielding, magnetic field shielding and electromagnetic shielding.

Conductive sponge is an electronic material widely used in the electronic industry. For some people who are not familiar with the electronics industry, this material should be unfamiliar! Let me introduce to you in detail today, what does it do? What are its main application areas?

In the era of mobile Internet, the number of people using smartphones is increasing. While it brings great convenience to our work and life, its security and confidentiality issues are also becoming increasingly prominent. It is imperative to recognize its security and confidentiality threats and take measures to prevent smartphone leaks.

The mobile phone shielding cabinet adopts the split combination type, the structure design is reasonable, the drawers are independent of each other, and they are all locked and managed independently. It can meet the needs of some government agencies, schools and other places, and conduct centralized management of mobile phones.

In order to ensure the shielding effect of the mobile phone shielding cabinet, the selection of its materials will be more cautious. Generally, the materials of the mobile phone shielding cabinet are obviously different from those of the ordinary cabinet. Special processing to achieve better shielding effect by processing it.

The design of the mobile phone jammer is very strict and the structure is relatively strict. It is electroplated and made of high temperature baking paint. It has good corrosion resistance and radiation protection performance.

In the Internet age, the development of information networks is getting faster and faster, but the information age is accompanied by information security issues. Preventing information from being leaked and monitored has become a problem that needs to be solved now.

When it comes to shielding equipment, everyone is familiar with it, especially for some government units, government departments, etc. to use it to keep information confidential. Among many shielding equipment, mobile phone shielding cabinets are used more often, and its use brings convenience to our lives.

According to the conventional recommendations of our manufacturers, omnidirectional antennas are usually used as the standard configuration of vehicle-mounted high-power wireless signal jammers. The directional antenna is only one of the alternative configurations.

As one of the most important components of the signal jammer, the antenna is the most common for every customer who comes into contact with this product. The most common one is the cylindrical omnidirectional antenna.

At this time, the mobile phone needs to be stored. The use of cell phone signal jammers can solve this problem very well. It can realize centralized management of mobile phones, and can also protect mobile phones from being lost.

The development and illegal abuse of drone technology have brought security risks and threats to important targets such as airports, prisons, troops, and nuclear power plants, such as the abuse of small drones, illegal intrusions, and terrorist attacks. UAVs belong to the category of "low, small and slow" targets.

The handheld drone detection and shooting gun is an upgraded and enhanced version of the drone jamming gun. The device should have the function of drone signal detection, and at the same time, it can transmit wireless jamming signals to make the drone hover, return or land in place.

DJI's DJI Mavic 3 (Yu 3) drone has been on the market for some time. Recently, a customer reported a problem when communicating with us: the previously purchased and installed drone jammer is not suitable for this new type of large-scale drone.

The widespread use of cell phone jammers will cause certain interference to the base stations of communication operators. This is a reality that is generally recognized in the industry. If it is a low-power mobile phone shielding device, due to its relatively small transmission power, it will interfere with the signal.

This question is: just want to Purchasing one or two high-power cell phone signal jammers in the examination room can cover the shielding signal to all examination rooms in the school. Customers think that it will be easy to install and operate due to the small number of devices, so is this really the case?

130 5G mobile phones have been approved for online sales, the number of terminal connections has exceeded 36 million, and more than 10,000 5G communication base stations are newly added every week. The industry chain came up with the latest released score sheet.

Two multi-mode countermeasure guns are arranged on the roof of the building, which can complete the automatic integrated drone jammers in the whole airspace. Counter-guns can also be carried by inspectors or defenders, receive detection and guidance information in real time, and interfere with drones manually.

Answer: The full name of VoLTE is Voice over LTE (LTE call). It is an IP data transmission technology that does not require 2G/3G network. All services are carried on the 4G network, which can realize the unification of data and voice services under the same network.

Spectrum warfare combines electronic warfare, network warfare, optoelectronic countermeasures and other technologies that can sense the environment, communicate, navigate, and target targeting. Among them, electronic warfare is the most famous.

The common cell phone signal jammers on the market have the following frequencies: 869~894MHz; 825~960MHz; 1805~1880MHz and 1900~1990MHz, etc. The working frequency bands are CDMA800, GSM900, DCS1800, and PCS1900. It can control the range of about 40 meters in diameter, using DC-DC converter input voltage, 5V output voltage.

After the high-power wireless signal jammer is modified and assembled by the vehicle, it becomes a set of vehicle-mounted special equipment that can be quickly transferred, deployed and used with the vehicle as the transport carrier.

At present, in the control system of the current common mobile phone shielding device, the networking mode of multiple shielding devices is almost all connected through wired connection. Multi-core cable for serial protocol networking.

If it is in a normal use environment, it is not complicated to install and debug the mobile phone signal blocker. Generally, you only need to turn on the host switch after powering on the device, and use the mobile phone to observe the working status of the mobile phone at different positions from the shielding device, which can be very intuitive.

Some agents and dealers who undertake construction or plan to plan mobile phone signal shielding systems often need to conduct project site surveys at the beginning of the project. If they do not have sufficient experience in such similar projects, they will consult our manufacturers.

The system adopts the CRPC radio protocol analysis technology, which can parse the UAV flight control signaling, accurately warn the UAV signal characteristics, and has the advantages of no false alarms and no false alarms, ensuring the anti-terrorism guarantee work. , cannot draw lessons from the "rigorousness", has obvious advantages compared to radar and spectrum.

If you use a GPS tracker and want to protect your privacy, it's time to learn about GPS scramblers. A GPS scrambler is a device that blocks all signals from nearby tracking devices. They are commonly used by companies that want to hide the location of their employees from stalkers or other potential threats. But there are many other uses for these devices too!

One of the most powerful devices on the market, the Jammershop GPS Jammer is capable of jamming GPS, cell phone signals, and other frequencies within a range of up to 15 feet. It is user friendly and easy to install. It's affordable.

A cell phone jammer, also known as a cell phone signal blocker or cell phone signal jamming device, is simply a radio frequency transmitter that is designed to block wireless signals. It can be used to block any type of wireless signal, but they are most commonly used to block cell phones from connecting to the cellular network.

What you need is a device that emits a signal jammer or WiFi blocker. This type of device needs to be strong enough to block the signal, and if it's not close enough to the source, it won't work properly. Ideally, you want it within range of your neighbor's router or modem.

Wireless jamming devices are tools that help block your Wi-Fi and any other wireless signal. You can buy them online or in stores, depending on the type of jammer you want to buy. There are several types of jammers: portable Wi-Fi signal jammers, mobile signal jammers and Wi-Fi repeaters/amplifiers.

Airplane mode prevents wireless devices from connecting to cellular networks or Wi-Fi. This means anyone trying to use your hotspot won't be able to connect. If you turn airplane mode on and then turn it off again, the access point will come back online.

GPS jammers are used to block any GPS signal from reaching a device, making it impossible for that device to track its location. If a WiFi jammer is used in the same way, it can block all data transmitted between devices on a wireless network.

The rapid development of science and technology makes everyone usher in a brand new 5G network technology today. Regarding the 5G network technology, it is very likely that everyone does not understand what a 5G network is. Will these 5G networks affect us? What is the difference between 4G and the 4G displayed on our mobile phones?

First of all, from the most favorable point of view, if the main unit of the signal shielding device, the RF connection feeder, and multiple antennas are all installed inside the compartment, then, from the outside of the vehicle, others are completely installed inside the vehicle. What kind of equipment is used, and it is completely unaware of what shielding effect this car has. Concealed installation and the effect is very obvious!

When a mobile phone user enters the coverage area of ​​the shielded signal, for different mobile phone numbers, the shielded signal is not targeted, and there is no analysis or analysis function, so the shielding effect of different mobile phone numbers is to carry out the signal indiscriminately.

When we need to communicate in some special places, it is usually not allowed to bring any communication equipment, and unified and centralized management will be carried out. At this time, we need to use a cell phone signal jammer, which can not only ensure the safety of mobile phones, but not Loss or omission, etc., can also shield the signal, and will not cause information leakage.

The third gear is the high-power type, which means that the transmit power of the shielding module reaches 50W or even 100W. Different application environments can correspond to cell phone signal jammers of different power levels. Then some customers asked, is it effective to install low-power mobile phone jammers outdoors?

In addition to the establishment of communication towers by operators, the mobile phone communication problem can be solved by installing mobile phone signal amplifiers, wireless repeaters and digital fiber repeaters if there is no mobile phone signal.

One of the more important tasks in the layout of the test room is to install a full-band signal blocker to block the mobile phone signal in the test room, prevent cheating through mobile phones in the test, and ensure the fairness of the test room.

Before installing a full-band signal jammer, you need to know the size of the area to be shielded. For example, conference rooms are generally divided into three types: small conference rooms, medium-sized conference rooms, and large conference rooms.

In some special occasions, the use of mobile phones is restricted. The most common method is to install a full-band shielding device on site to block mobile phone signals. However, there are always people who think about how to crack and make their mobile phones work normally.

Washington State's Yakima Training Center - Soldiers from the 1-2 Straker Brigade Breakthrough Team learned about the risk of enemy interference during degraded environment classes held in Washington, D.C. Siansma Training Center from November 5 to 7.

I recently watched a video on Youtube showing an amazing jumping robot from Boston Dynamics. At first I thought, "Wow! That's cool!" But then I started to think it might be a dangerous use. Can I use a cell phone jammer to take protective measures just in case?

Cell phone signal jammer generally block the connection between the electromagnetic waves emitted by the mobile phone and the signal base station. Interrupted communication between the mobile phone and the signal base station.

After installing and using the cell phone signal jammer, many customers will find that the mobile phone shielding effect is not ideal. When analyzing the reason, the distance of the base station near the site is a very concerned factor.

The shielding equipment of the Shengma brand produced by our Nanjing Baikang Electromechanical Technology Co., Ltd. has also undergone numerous R&D, expansion and functional iterations. Among them, the way of modular assembly and combination of mobile phone jammer has been favored and recognized by customers more and more.

You can even use an app on the Appstore. You can also use Livestream website to control things on the internet, but it is also easy for others to control and monitor. We can use Cell Phone Jammer to keep them ignorant.

Google Nexus 4 is a perfect smartphone at the best price. Any modern smartphone can beat it in terms of price / quality ratio. Its only weakness is that it does not support 4G. It is compatible with the 3G HSPA+ standard and supports 2G.

Dojammer recommends that you try to determine the type of GSM signal jammer and try changing to other frequencies. You should know that simple GSM blockers are the most used, but if you switch to 3G or even 4G, they will not affect you.

Prisons, detention centers, detention centers, drug rehabilitation centers, etc., as places of detention for prisoners, strengthen internal management by installing mobile phone shielding systems to prevent prisoners from illegally using mobile phones to communicate with the outside world without permission.

We choose the mobile phone signal jammer in the examination room from the function. Before 2020, in our fourth-generation communication period, we can use the mobile phone jammer for different centers.

Mobile phone jammer only shields the frequency band used by the mobile phone and does not affect the normal use of other electronic devices unless you also choose to shield their functions.

When customers use cell phone signal jammers, they sometimes find that in some larger rooms, only one shielding device is not enough to cover all the shielding signals.

The control signals used by the UAV jammer system are mostly in the conventional civilian frequency bands such as 2.4 GHZ and 5.8 GHz. With the rapid development of open source hardware and the popularity of software radio technology, the technology for cracking the UAV radio communication protocol has gradually developed.

There are many forms of drone jamming equipment, some are fixed on the roof of buildings, some are installed on street light poles or iron towers, and some are installed on vehicles that can be quickly transferred and used on the road. Of course, there is no shortage of them.

On the whole, the use of wireless signal jammer in these units or places belongs to the category of legal compliance, but there are also some places that are not suitable for use. So, what application scenarios should be avoided when using wireless signal shielding devices?

Every junior high school and high school will face the middle school entrance examination or the most important test. Many schools are actively preparing for the things needed in the test room.

In the air, even higher. When something goes wrong, the consequences are always worse than they actually are. One of the biggest threats to drone safety is GPS jamming. At the very least, interruptions in satellite signals reduce positioning quality.

GPS navigation and GPS jammers are locked together like a symbiotic relationship, and the number of devices using GPS technology on the road has grown, along with the number and variety of jamming devices trying to prevent their operation.

The principle function of the mobile phone signal jammer Now our mobile phone communicates with the base station through the uplink frequency, and then transfers the signal to the mobile service switching center to realize the call. In the standby state, the mobile phone communicates with the base station through the broadcast control channel.

We all know that the wireless intercom system is widely used in our daily life. It has the characteristics of flexibility, easy operation, fast voice transmission, and economical use. It is the basic means to realize production scheduling automation and management modernization. What is the principle of wireless intercom system?

When implementing a signal shielding project in an outdoor open area, it is necessary to select a high-power signal jammer to achieve a relatively ideal signal coverage effect. However, when the customer installs a high-power signal jammer, he feels the appearance and size of the host and antenna of the shielding device.

Drone jammer by interfering with the data link and positioning system of the UAV, cutting off the communication and navigation between the UAV and the remote control, forcing the UAV to automatically land or drive the UAV to ensure the safety of low-altitude space.

Although affected by the epidemic, this year's college entrance examination was postponed to July 7-8, but the corresponding measures have not been reduced at all to ensure the security of information in the examination room.

Then according to the above working principle, we can conclude that the 4g wireless signal jammer is generally composed of power supply, electronic scanning control unit, segmented radio frequency module unit, amplifier unit, transmitting antenna unit and other parts.

According to the action plan, by 2023, the development level of 5G applications in my country will be significantly improved, the comprehensive strength will continue to increase, and breakthroughs in the depth and breadth of 5G applications in key areas will be achieved.

China Mobile builds a 5G network independently, while China Telecom does not build a 5G network alone, but builds a 5G network jointly with China Unicom, which means that in some cities, China Telecom's 5G network actually uses China Unicom Yes, this kind of cross-operator sharing and co-construction of the network.

From the current 5G network construction in my country, the latest news is that the number of 5G base stations built has reached 847,000, and the number of China Mobile can be higher than the number of China Telecom + China Unicom, which is also the same.

It is a well-known iron law that mobile phones cannot be brought into the examination room; but according to common sense, cell phone signal jammers are generally installed in the examination room, and even a mobile phone brought in by chance is a "brick".

As the construction unit of the project contractor, the power supply for the entire mobile phone signal shielding system is AC or It is DC that there are doubts and disagreements, and here we provide explanations and explanations on this issue.

The fixed UAV jammer system can meet the low-altitude defense needs of prisons, army camps, examination rooms, government agencies, financial institutions, embassies, industrial plants, production workshops, gas stations, gas stations and other areas.

Every year after the college entrance examination, Tsinghua University and Peking University will almost stage a "snatch battle". These two colleges look serious and have a feeling of "out of reach", but when they grab people, they will lower their stature and make people feel Can't help laughing.

The Ministry of Education also stated that although the Ministry of Education has no mandatory requirements for the use of mobile phone jammers in examination rooms, mobile phone jammers are currently the best means to effectively prevent large-scale cheating. A further guideline on the use of this instrument will be issued in the near future.

What we generally call a small signal jammer refers to a signal jammer that acts in a small area, such as conference rooms, opera halls, and recording studios. it is good.

During the use of the wireless intercom system, when the received and received signals are not clear, the station holder can change his position. High temperature, humidity, flammable gas and other environments should be avoided. The following is a detailed introduction to the relevant content.

With the commercialization of 5G frequencies and the gradual popularization of 5G mobile phone networks, wireless security control needs to keep pace, and mobile phone signal jammers need to be upgraded.

In order to detect the local network through the latest mobile phone jammers, wireless routers are used as wireless routers to prevent wireless routers from working and improve the local area network (LAN) detection wireless router in the new version of internet.

All electrical and electronic equipment will have intermittent or continuous voltage and current changes during operation. Sometimes the speed of change is still very fast. This causes electromagnetic energy to be generated between different frequencies or frequency bands, and the corresponding circuits emit this energy. In the surrounding area.

We use cell phones every day. Mobile phones have become a part of our lives today. When we go to the supermarket, we pay the bill with our mobile phone. When we go to tourist attractions, we use cell phones to take photos.

The first type of cell phone blocker was widely used. They are electronic noise generators that cause radio interference and prevent cell phones from communicating with their base stations. Depending on the performance of the cell phone jammer and the current cell phone model, the signal shielding radius can be between 1-5 and 50-60 meters.

Although many Russian cinemas and even some movie theaters already use cell phone jammers, in fact the use of jammers is still illegal. However, this does not prevent cinema owners from buying cell phone blockers online, installing them and protecting their visitors from the nightly impression of cultural institutions being destroyed by other people's phones.