A car use GPS jammer (GMC07) is a tiny device that blocks GPS tracking and data logging units. It's designed to knock out GPS logging/tracking/navigation systems which operating on your vehicle. Most spy devices can be quickly installed on a vehicle and allow the users to track your every move using Google earth etc or a GPS recording system. This GMC07 (GPS jammer/blocker/interceptor) will disable the GPS link and render the spy device useless.

Both installation and operation of GMC07 GPS jammer/blocker/interceptor are very easy. Screw omni antenna on antenna socket and plug into the car cigar lighter socket, then it's on. The only one requirement is the cigar lighter socket mush be 12v output power.