GPS works by providing information on the exact location. … A GPS tracking system uses the Global Navigation Satellite System (GNSS) network. This network incorporates a range of satellites that use microwave signals that are transmitted to GPS devices to give information on location, vehicle speed, time, and direction.
Car Blackbox Waterproof GPS Tracker locator
Yuebiz Car Blackbox GPS Tracker manufacturer, the production of YB02 car waterproof GPS tracker, stable quality, price concessions, long-term customers like.