Last posted by Greatjammer on April 23 2021 at 10:48 AM
In today's mobile Internet era, smart phones are very popular. However, things that bring convenience to people's lives and are used for illegal activities emerge in endlessly. Take the test as...
The basic principle of cell phone jammer equipment is to emit the same radio frequency signal as the mobile phone. Because the frequency is the same, the mobile phone cannot distinguish which...
