GPS Chipset: Telit
GSM Chipset:Quad Band GPRS 850/900/1800/1900MHz
Water Resistance (IP67)
Two way communication
Background voice surveillance
Power saving mode, long battery standby
Support setting 5 authorized cell phone numbers
Track by demand
Track by interval
Track by Mobile Phone& online tracking system
Real-time tracking
SOS alarm
Geo-fence alarm
Built-in G-sensor
Over speed limit alarm
Low power alarm
Vibration alarm
Wristband cut-off-proof alarm 
Support data logger in no GSM signal area using Micro SD card(Max:2GB)
Support FOTA