Following the car driving test cheating incident in the Tokyo metropolis, the local police station has begun investigating the use of “mobile phone jamming devices” at three driving test locations in Tokyo, which will prohibit the use of mobile phones, including smartphones. The mobile phone signal blocking device blocks radio waves from mobile phones (including smartphones) within a certain range, thereby preventing calls.
Do I need to use a jammer? Many people ask this question. With the rapid development of high-tech technology, devices that block mobile phone calls on the Internet have the function of cutting off the phone signal. You can choose the jammer according to your actual needs. At present, the cell phone jammer device plays an important role: stop the call, avoid unnecessary conversations, create a quiet environment, etc., which is very popular among the crowd. jammer-mart provides cell signal jammers in various interference bands to ensure quality and order with confidence.