... tracker, vehicle tracking device, gps for car, Canbus J1939, OBD II, Odometer, RFID reader, LCD screen, camera gps vehicle tracker, vehicle ... press SOS button for emergency General: L1 1575.42MHz, C/A code, 20 Parallel Channels Sensitivity: -143 dBm minimum Accuracy Position ... : 10m CEP without S/A Velocity: 0.1 m/sec without S/A WAAS Accuracy Position: 5m CEP Velocity ...