Recently, the cell phone signal interceptor has been installed in the school. There is no signal in the mobile phones in each class. There is no signal even in the corridor. Does this device affect the human body?
Nowadays, the cell phone jammer device is full-band. It can shield all 2G 3G 4G signals and 2.4G 4.8G WIFI signals and Bluetooth signals under all operators. Its principle is to interfere with the mobile phone through the frequency it emits. Receive the frequencies sent by the base station and the wireless router to shield them.
The mobile signal intercept has a frequency when it is working, so there will be radiation, but the school is equipped with a low-power cell signal jammer. As long as it is one meter away from the student, the radiation is very small, it will not be right. The body causes harm, and the school is usually open only when the exam is taken.
