Trapping in the situation of being tracked by the GPS tracking device in your car? If the GPS tracker used the GPSL1 signal, then this catalogy of Anti Tracker Mini GPS Signal Jammer for Vehicle Car is suitable for you, as with which you can block the signal of the GPSL1 tracker in your car.
 

This GPS Signal Jammer for Vehicle Car is a device that can block the navigation, tracking, logging systems of the GPSL1 signal and so that you’re perfectly invisible. And as it is small and easy to use when plug into a standard lighter with 12V for power it can start work immediately and block the GPS signal with up to 10 meters depending on the detail situation. While working this GPS Signal Jammer doesn’t interrupt any other electronic device except the GPS.