Now many schools are busy preparing for the examination room. This is because the most important exam of the year, the college entrance examination is coming soon. Facing this most important exam, many schools are actively preparing what is needed in the exam room, ensuring the normal order of the exam room and meeting the basic needs of the exam room. As a means of signal cheating, I purchased a mobile phone signal blocker as a countermeasure, but its effective range is limited, so a new question arises, is it still effective after passing through the wall? To deal with cell phone jammer, we must treat them objectively and reasonably. The basic working principle of the mobile phone signal jammer is to transmit a special signal, which will disturb or interfere with the signal associated between the mobile phone and the communication base station, so that the mobile phone has no signal or cannot find the Internet service. The short message will also become an error code and the original message cannot be recognized.
With the development of society and the development of high technology, everyone’s standards are getting higher and higher. Nowadays, mobile phones have already been widely involved in a lifestyle of adults and children. For young people, it is very important to get the harm done. Playing with mobile phones for a long time is extremely It may endanger the eyesight, and even more serious is the decadent study. Since the mobile phone signal jammer came out, it has been trusted by enterprises such as examination rooms, colleges and prisons. In fact, the mobile phone signal jammer is not a new thing overseas, and it has gradually been sold in my country in recent years. Market Gradually marketed! Mobile phone signal jammers only interfere with mobile phone signals, so they will not harm mobile communication base stations and other electronic products! Nowadays, many teenagers have a mobile phone for each person, some are addicted to games, and some are obsessed with novel collections. College exam questions are more risky. There are any answers on Baidu search. If everyone plagiarizes with a mobile phone, it violates the purpose and practical significance of the exam questions!