... RF module. The built-in GSM/GPS antennas significantly short the installation time, built-in Siren with Off ... and deactivate programmable- Periodically position report with self-customize time interval- Illegal Door Open, Engine On, move ... 3.7V DC- Tracking Accuracy: 5-10Meters- Waterproof Level: IP653. Application Range- Motorcycle, Motorbike- Cars, Vehicle, Truck, Bus- Boats Quad Bands GSM/GPRS ...