The strongest jammer "Town Field" has no signal inside or outside the examination...
During the examination period, all mobile communication signals, walkie-talkie signals, and wireless transmission signals in the examination room...
The Public Security Bureau uses backpack signal jammers to strengthen information...
Always put confidentiality work as a security focus on the work agenda, and combine it with daily work and daily life rules and regulations.
Will the test room signal jammer affect the RF broadcast?
The test room isolator mainly interferes with the frequency bands used by common cheating tools such as mobile phone signals, WiFi signals, and wireless...
Ten Questions about the Level Protection of Cell Phone Signal Jammers
Small-scale security rectification takes 2-3 weeks, the report is issued for one week, and the overall duration is 1-2 months.
Industry application of wireless intercom system
The progress of wireless walkie-talkie systems makes people feel fun and convenient. In this article, we will talk about the application scope of wireless...
Effective coverage of signal jammers
When the area of the site used is larger than the effective shielding range, it is recommended to use multiple isolators for cellular installation to ensure...
How to see the quotation of notebook video information protection system?
First, when we understand the quotation of notebook video information protection system, we often get different answers.
Characteristics and Signal Interference Factors of Wireless Intercom System
A high-quality wireless intercom system must not only ensure high call quality, but also avoid antenna radiation sources that interfere with other systems inside...
Does the customer need to debug after receiving the full-band signal jammer?
Since the shielding distance of the full-band signal jammer is closely related to the on-site environment and signal strength, the shielding distance is different in...
Misunderstandings about radio clocks
The new radio-controlled clock is also equipped with a radio-controlled clock mode and a quartz clock mode conversion function.In places where there...
The main function of the shielding box is to limit the electromagnetic capacity
The shielding case is very important for the product. Severe electromagnetic interference will cause the equipment inside to fail to work normally.
How does the surveillance jammer prevent illegal parking and capture?
There are more and more vehicles, and parking spaces have always been a problem that people can talk about in their daily lives.
How to design the smart blocker solution for multiple conference rooms?
When these conference rooms are doing mobile phone signal shielding projects, the customer proposes to install intelligent shielding devices.
How signal jammers won't invade other people's privacy
If you find that a driver is using a cell phone while driving, you can use a signal jammer to prohibit the behavior, as looking at a cell phone while driving is...
How to Detect Hidden Cameras Using Cell Phones and Radio Frequency (RF)
RF detection can be more accurate, but since there are many things transmitting RF signals that are not something a casual user might find useful...
Wireless video and WiFi signal jammer usage scenarios
Signal jammers help prevent wireless hiding videos and unknown WiFi sources. The wireless video range is from 980MHz to 1200MHz, WiFi2400Mhz-2500Mhz is...
How far is the most suitable shielding range for a cell phone signal jammer?
The shielding distance of the signal jammer device has a great relationship with the power of the device and the use environment.
How to prevent eavesdropping on the car?
The ever-changing technology also makes it easier to expose people's privacy to the public. Recently, a small gsm eavesdropping device has been sold very hot on...
How to prevent pinhole cameras?
In fact, the best advice is for friends at home to completely unplug the camera and turn it on when people are out. Using a portable jammer device...
What should be paid attention to when conducting confidential anti-eavesdropping...
It seriously affects the frequency and strength of the signal under test, so it can be determined whether there is a wireless signal transmission device on site.
When testing the interference effect of the signal jammer on the remote control...
After the signal jammer is connected correctly and the power on is working normally, it is necessary to maintain a certain distance between the remote...
Disadvantages of the signal jammer using frequency sweep and then jamming
For the actual combat scene of bomb disposal and EOD, if the signal jammer first scans suspicious frequency points and then activates the jamming...
5G+AI win-win symbiosis, artificial intelligence has great potential!
As in the past, the vast majority of experts and enterprises believe that the importance of AI empowering traditional enterprises has become...
The four "anti-cheating artifacts" in the examination room
In fact, many students have a lucky mentality when they take exams. Thinking about their small actions, the teacher will not notice.
Mobile phone jammer: detect + shield the existing problems
This technology is very advanced at first glance, and in fact it is just a very superficial understanding. When proposing this technology...
Special analysis on mobile base station interference
If the problem only occurs on a single transceiver, customers can judge whether it is a hardware problem or a data problem by observing after switching the RTF.
A must-have anti-recording artifact in corporate meeting rooms
At present, there are many types of anti-recording and eavesdropping products at home and abroad, most of which are interference through white noise.
How to interfere with the recording of the recorder?
The recording blocker is not only used for professional recording equipment, but also for mobile, external microphones and other equipment.
Is there a bomb in the badminton hall? Explosion-proof car/signal jamming car...
A coach from the Nanjing Badminton Sports School told me that there is a backpack in the badminton hall with a bomb in it.
The shielding instrument is used in many countries
The Mexican Federal Institute of Telecommunications (IFT) began to solicit public comments and suggestions on the draft bill for shielding...
Effective coverage of signal jammer
When the jammer is not in use, the power supply should be cut off in time to avoid affecting the normal use of the mobile phone.
Agra Prison which has J&K prisoners to get forward signal jammer
At present, the mobile jammers in the central prison are unable to shut down 4G and Wi-Fi signals. A private company has been asked to immediately prepare...
5G signal jammer helps the examination room
Don't worry about its impact on other electronic devices, the signal jammer mainly shields the mobile phone signal.At the same time, it is used...
4 factors affecting the price/performance ratio of prison mobile phone jammer system
If the original stipulation jammer that the failure-free service life is 1 year and the failure-free service reaches 3 years in actual use, the price/performance ratio...
Methods and precautions for selecting mobile phone jammer equipment
After the product has been demonstrated, the application, operation status and actual effect of the product on other similar projects can be investigated.
Know the location of the base station before installing the equipment, and try to make the direction of the jammer follow the direction of the base station.
The wireless signal jammer (jammer) realizes the interference and shielding of the wireless communication signal by transmitting the same...
What is radiation? Does the radiation of the communication base station affect people?
Its wavelength ranges from cosmic rays of 10E-10 microns (1 micron = 10E-4 cm) to radio waves with a wavelength of several kilometers.
Answers to frequently asked questions jammers
Shielding range associated with protection against a strong electromagnetic field, the distance between the communication stations concerned.
Detailed explanation of the use of multifunctional wireless signal jammer
Multifunctional wireless signal jammer is a new high-tech information security product developed by comprehensive comparison of electromagnetic..
Jammers will improve the efficiency of student listening lessons
The signal jammer overloads the mobile phone by sending signals at the same frequency and high enough power, so that the two signals collide and cancel..
China is engaged in the research and development of military jammers
The US Department of Defense has purchased more than 200,000 anti-jamming systems for JDAM and other GPS guided weapons.
Different countries have different interference laws
Dozens of countries including Canada, Mexico, New Zealand, Norway, Turkey and other countries allow the police or prison authorities to use jammers.
Suitable for jammers of all frequencies used by the remote control
The only way to stop the neighbor's car from alarming is to block the 315 MHz frequency. Our dedicated signal jammer will affect the car like this..
About the functional structure characteristics of the signal jammer
The signal jammer adopts a high-dispersion aluminum alloy shell, which has a low operating temperature and a more stable shielding effect.
Portable signal shielding device with rechargeable lithium battery
If the rechargeable lithium battery of the portable signal jammer is damaged and what can you do to solve the problem is really inconvenient?