GPS Tracker Defence. Plug this small dongle into your car’s cigar lighter socket to instantly disable all GPS trackers within a 5 metre range. Just perfect for high jinks in a traffic jam. Or if you suspect the CIA are on to you. £149.99. [Thanks Dan]
Simply plug this adapter into the power socket in your car and after one minute it will disable all GPS trackers within a 5 metre range. It does this by preventing trackers from getting a satellite fix. Please note that it may also disable any sat nav or similar devices in the vehicle.