Youtube Cell Phone Jammer
When taking the high school entrance examination, college entrance examination, grade four and six levels, you will see Youtube Cell Phone Jammer in the examination room. It can be seen that mobile phone jammers have become standard equipment in the school examination room, as long as it is to prevent candidates from using mobile phones to cheat. We know that today's mobile phones have too many functions, which can be used to watch movies, record recordings, video chats, take pictures, etc. At the same time, it is convenient, and some people use mobile phones to cheat, leak questions, and search for answers online. This is very bad. In order to prevent this kind of on-site occurrence, the examination room began to use mobile phone signal jammers to shield the mobile phone’s signal. cell phone jammer Prevent the emergence of this kind of cheating.
In the examination room, when using a mobile phone to send a message, it is necessary to use a signal to transmit the message. If the mobile phone has no signal, there is no way to receive and send the message. Youtube Cell Phone Jammer is a device that can prevent the mobile phone from receiving the signal. Turn on the mobile phone signal After the shielding device, the mobile phone will lose contact with the base station and completely lose the signal within the shielding range. The principle of the mobile phone signal jammer is that the frequency emitted by the jammer interferes with the normal frequency of the mobile phone receiving the base station, making the mobile phone unable to connect with the base station, and thus unable to make calls, receive and send text messages and surf the Internet normally. In recent years, cheating on mobile phones has occurred in various national examinations, which has seriously affected the fairness and impartiality of examinations. For this reason, the state stipulates that mobile phone jammers should be equipped during major examinations to create a healthy and fair examination environment for candidates.
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