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Mobile jammer is standard in the examination room

Garcia Mary April 14, 2021 10:30

When taking large-scale exams such as the high school entrance examination, college entrance examination, grade four and six, you will see mobile cell phone jammer in the exam room. It can be seen that mobile phone jammers have become standard equipment in school exam rooms, 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. In order to prevent this kind of on-site occurrence, the examination room began to use signal jammers to shield the signal of the mobile phone to prevent this kind of cheating.

Why can cell phone jammers prevent mobile phone 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 messages. A mobile phone signal jammer is a device that can prevent the mobile phone from receiving signals. After the signal jammer is turned on, 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 jammer is that the frequency emitted by the jammer itself interferes with the normal frequency of the mobile phone receiving the base station, making the mobile phone unable to connect to 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 signal jammers should be equipped during major exams to create a healthy and fair exam environment for candidates.