Important knowledge points about mobile phone signal jammers in examination rooms
Everyone should be familiar with mobile phone data signal jammers, also known as mobile phone signal jammers. Anyone who has participated in large and medium-sized examinations has seen them. They are placed at the door of the exam classroom. This is also known as a mobile phone signal jammer. Intentional blocking of signals is, in turn, a reflection of maintaining fairness and justice, in order to provide a fair and reasonable environment for exam takers. But in many cases, some people wonder whether it will affect the signal radiation source of the mobile base station so that there is no signal in large areas.
With the development of the times and the development of high technology, people are becoming more and more sophisticated. Nowadays, mobile phones have widely become a way of life for adults and children. The harm to teenagers is very important. Playing with mobile phones for a long time is very dangerous. It may harm the eyesight, and even more serious is the neglect of school work.
Since the launch of mobile phone signal jammers, they have been trusted by examination centers, schools, prisons and other departments. In fact, mobile phone signal jammers are no longer a new gadget overseas, and they have gradually been sold in China in recent years! The mobile phone signal jammer only affects mobile phone data signals, so it will not directly affect communication base stations and other electronic products. Nowadays, many teenagers have a mobile phone each. Some are addicted to games, some are obsessed with novels, etc. It is even more dangerous for school exams. There are any answers on Baidu search. If every candidate uses a mobile phone to plagiarize, then it is against the law. The purpose and practical significance of testing!
We must treat cell phone signal jammers objectively and reasonably. The design principle of the mobile phone signal jammer is to emit a special signal to block or affect the communication signal between the mobile phone and the communication base station, causing the mobile phone to have no signal or unable to find Internet services. Use the mobile phone to receive and send The short message will also become an error code and the original message cannot be recognized.
In fact, signal jammers generally do not affect the signals of base stations, so there is no need to worry, and no one will think of affecting other people's signals.
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