Prevent car from being tracked.
Prevent people from being tracked.
Prevent rented-car and lended-car from being tracked.
Prevent car of government, intelligence agency, famous person, principal etc. from being tracked.
This device doesnt interference mobile phone and other wiring (electronic device).
This device doesnt affect navigation device which installed on other cars.
Small volume, carried easily, and international use.
It adopts the technology of interdiction and interposition code, so will intercept the signal of satellite and break it completely.
It can be used directly as long as you insert it to the smoke-lighted device on car.