We must know that it is almost June, and June is the most important college entrance examination for candidates. However, when the exam season is about to come, there are many people who come out from various channels. Provide test takers with some improper cheating methods. Many test takers are deceived after failing to withstand the temptation, leading them to eventually use illegal methods in the examination room. As the person in charge of the examination room, the school undoubtedly wants to put an end to this situation Now, more schools have chosen to use Cell Phone Jammer Circuit Using Microcontroller to prevent cheating during the college entrance examination. cell phone jammer
Judging from the size of the mobile phone jammer, it is not very big and can be conveniently placed in any position in the examination room without the need for additional space. And there is no noise, and the use of Cell Phone Jammer Circuit Using Microcontroller will not have a big impact on the candidates. In addition, there is no need to worry about its impact on other electronic devices. It is mainly used to shield cell phone signals. At the same time, it is used to cut the connection between the mobile phone and the base station. Will not cause harm to the human body. At present, with the development of science and technology, the range that this kind of mobile phone signal jammer can cover becomes wider and wider. A large area can be covered at one time, so the cost is greatly reduced.