The mobile phone is far away from the interference source and within a certain range of the protected area. Deactivation of the mobile phone cannot achieve the purpose, so the base station, mobile phone performance search is activated, no signal, no service system is established, it can not only completely resume normal use. Car jammers will inevitably emit electromagnetic signals, which will send and receive data between all shielding devices, and will never protect electrical signals. In…

In theory, the easiest and most cruel method is to remove the phone battery. In theory, if there is no energy supply, your phone will not be able to communicate with the outside world. However, this method is largely ineffective, and most phones on the market have non-removable batteries, which is extremely inconvenient to operate. The virtual location creates a fake location to confuse others. Using a mobile phone 4G signal jammer is also a way to prevent the phone from being tracked. At…

In theory, the easiest and most cruel method is to remove the phone battery. In theory, if there is no energy supply, your phone will not be able to communicate with the outside world. However, this method is largely ineffective, and most phones on the market have non-removable batteries, which is extremely inconvenient to operate. The virtual location creates a fake location to confuse others. Using a mobile phone 4G signal jammer is also a way to prevent the phone from being tracked. At…

According to reports, in 2007, China equipped military vehicles with WiFi jammers, while North Korea has repeatedly jammed signals sent by South Korean passenger planes since 2010. The working principle of a wifi jammer is to send its own signal with the same frequency as that of the GPS device. Loud sound prevents it from receiving or sending useful information in the form of sound bursts or continuous waves. Portable jammers can be purchased via the Internet, ranging from small lighters to…