Some of the highest rated brands of vehicle tracking devices are PocketFinder and Trackimo. Other brands rated highly by GPS Tracker Review are Trax and Caref GPS.
Car tracking devices function by using Global Positioning System transmitters, and there are many models that also feature cellular technology for greater versatility and positioning accuracy. The system functions with a network of satellites, and the device itself performs simple calculations to determine its exact location. Many car tracking devices are designed to function with a web app, which provides users with a variety of features and readings to stay on top of during drives.