5G mobile phone signal jammer principle introduction

Dojammer 2022-07-29

The function of the cell phone signal blocker is to block the signal, and it is used in many occasions. The most used occasions we come into contact with are school examination rooms. Now the speed of information dissemination is very fast. With a mobile device, all kinds of information can be disseminated to all corners in an instant. For some occasions that are not suitable for dissemination of information, such as churches, conference rooms, prison detention centers, In confidential areas such as military areas, cell phone signal jammers are very necessary. The following editor will introduce to you the principle of the mobile phone signal blocker and the display status of our mobile phone after the mobile phone signal is blocked.

24 High Power Cell Phone Jammer

The principle of mobile phone receiving signal (radio communication) is as follows: within a certain 2G.3G.4G.5G operating frequency range, the mobile phone and the base station are connected by radio waves to complete the transmission of data and sound with a certain baud rate and modulation method.

Aiming at the above communication principle, it scans continuously and rapidly from the low-end frequency of the forward channel to the high-end frequency at a certain speed during the working process. The scanning speed can cause garbled interference in the message signal received by the mobile phone, and the mobile phone cannot detect the normal data sent from the base station, so that the mobile phone cannot establish a connection with the base station. The mobile phone manifests as the phenomenon of searching the network, no signal, no service system, etc.

In addition to the above mobile phone showing no service status, there is also a situation where our mobile phone has a mobile phone signal (full grid), which is a false signal state caused by a freeze after the mobile phone is in a blocked state. When we use the mobile phone to call the operator, The mobile phone will send a request to the nearby base station to search for the signal of the nearby base station to generate a connection. At this time, when it is in the environment of the mobile phone signal jammer, the mobile phone will not be able to make calls and the connection will fail. Then after the mobile phone signal is blocked, the WIFI will also be blocked to show the state of being unable to connect. The WIFI signal blocker is often divided into 2.4G segment, 5.2G frequency band, and 5.8G frequency band with up to several hundred megabytes of bandwidth. Please consult clearly when choosing. There is an unmaskable effect.


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