GPS is not only convenient for people, but also poses many threats to people's lives. This may be convenient for us, but it is also convenient for others. They refer to people who are in a bad mood and want to commit crimes against us through such facilities. GPS navigation is very convenient. There is no doubt that if our navigation equipment has GPS trackers installed, then no matter where we go, we will install all tracks by grasping. The nature of the tracker installation is very…

The mobile phone can be used as a tool for communicating with others. Due to technological progress, the generation of networks has shifted from 2G to 3G, and then to 4G. In order to effectively block the frequency of 4G signals, we have developed 4G jammers. Unable to receive messages. The jammer is equipped with an antenna. This is a very useful gps jammer when you want to relax without barriers. The current signal shielding technology is very mature. In particular, the application of…