... RFID reader, LCD screen, camera gps vehicle tracker, vehicle tracking device, gps for car, gps for vehicle, car gps tracker, fleet tracking systemPreview ... GPRS Specification: SOS Button: Driver can press SOS button for emergency General: L1 1575.42MHz, C/A code, 20 Parallel ... to +85ºC Operating Humidity: 5% to 95% gps vehicle tracker, vehicle tracking device, gps for car, support Canbus J1939, OBD ...