Blocking is a device called a GPS jammer, which can jam GPS signals and even stop them perfectly. Introducing excellent performance.
Performance Criteria: BMB4-20002 Interference: Encryption-related information: Overall array of business secrets that embed scrambled bandwidth: 10kHz to 1.2GHz (no notch point) phone jammer charging type, optimal for vehicles is. It can also block Gps, wifi, and glass.
It can also interfere with bt and is compatible with smartphones and PCs. We have further improved the model optimal for the 2017 frequency! If it is quite hot, you will have it, so please use it upright! If you want to place it flat, put a stand in it and make an air passage! It is also very convenient for rechargeable. Since it is a power supply type from a wifi jammer outlet, it is a fixed type indoors. The power supply is 100V to 240V specifications that can be used in the world. It's convenient and safe.