The use of mobile phones is increasing and it is convenient to contact friends, but in some places, mobile phones should be stopped. There are several base stations in this city. Mobile phone jammers transmit signals at the same frequency as mobile phones and cut off communication with the base station. There are many types of Cell Phone Jammer Circuit Pdf on the market. Some devices can only interfere with one frequency, and some devices can shield multiple signals at the same time. cell phone jammer To interrupt the phone signal, you need an item that can block the appropriate frequency.
Products such as mobile phone jammers are increasingly being exhibited in American film institutions, and signal intercepting devices are also entering university classrooms. Students in this school have different guesses about the use of this mobile Cell Phone Jammer Circuit Pdf . We believe that these mobile phone jammer devices allow students to focus more on their studies, and mobile phone signal interference is very good. For students, it solves potential problems, and now it can play the role of examination supervision.