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Can radio jammers really block all signals

Can radio jammers really block all signals

  • 2022-05-18

In order to ensure the safety of examination room information, the school will implement a variety of measures. During the examination, the school will turn on the wireless frequency jammer according to the requirements of the Education Bureau. At this time, the problem of mobile communication near the school will be affected to a certain extent. Communication will not work until the end of the exam. What is the function of turning on the radio jammer during the college entrance examination? Can you really stop all the signals?

To know what the role of radio jammer is, we must first understand the working principle of mobile communication. When the mobile phone is communicating, it must be connected to the nearby base station to achieve the purpose of normal communication. If you want the mobile phone to have no signal during the college entrance examination, it is impossible to make the base station near the examination room inoperative, otherwise all communication devices in the area will not be able to communicate normally. Therefore, only radio jammers can be selected.

At present, the radio jammers used in the examination room can interfere with all frequency bands. In order to prevent sending messages through mobile phone communication, they will transmit and send random code interference, so that the mobile phone cannot detect the normal data sent by the base station, so it cannot connect to the base station. The mobile phone in the interference area will not display any signal or is not in the service area, so it cannot receive and send signals. Radio jammer can not only interfere with all frequency bands of mobile, telecom and China Unicom, but also interfere with WiFi signal and Bluetooth.


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