In modern society, the speed and scope of information circulation are constantly expanding, which brings convenience, but also brings some information interference and security risks. In this case, signal jammers have gradually entered people's field of vision. These devices can block wireless signals in specific frequency bands, thereby helping us filter out some unnecessary information and maintain communication security. Mobile phone jammers mainly interfere with mobile phone signals and are very suitable for use in some occasions where mobile phones are not suitable. For example, in cultural places such as cinemas and theaters, mobile phone jammers can block mobile phone signals, prevent behaviors such as taking pictures and recording, and enhance the audience's viewing experience. Similarly, in some examination venues, the use of mobile phone scrambler ( https://www.jammermfg.com/cell-phone-jammers.html ) can effectively reduce the possibility of students cheating and main