1. Effectively prevent being tracked by GPS satellite positioning!
2. Effectively interfere with GPS satellite signals to protect your whereabouts privacy and information confidentiality.
3. It only interferes with GPS satellite signals and does not affect the normal answering of mobile phones.
4. Vehicle-mounted sustainable use
5. Even if the vehicle does not start the power supply, it is used in the same way (powered by the car charger).
6. Small size, high power, light weight, large coverage, easy to carry.
7. Effectively prevent the positioning and tracking of the car/mobile phone GPS satellite positioning system!
