1. SIMCOM GSM module (Quad band): 850/900/1800/1900 MHz
2. Voltage range: DC 9~18V
3. Operating ambient temperature: -30°C - +70°C
4. GPS/Glonass: Dual satellite positioning could enhance the location accuracy.
5. Built-in Ni-MH backup battery
6. The system sends SMS message if someone removes the power, or if it couldn’t sense the transponder within 1 minute when the Ignition turns on.
