Make your drive easier with help from OfficeSupply.com! Our line of discount products extends outside the office and into your car with GPS devices, satellite radio receivers and radar detectors. GPS navigation systems keep you on track with satellite signals providing your location and directions to your destination. Satellite signals can also provide entertainment, with pocket and mountable devices powering satellite or internet radio. Radar detectors give advance warning to potential speed traps, giving you an opportunity to correct your speed before the police do it for you.