* Dim.: 80mm x 37mm x 20mm
* Network: GSM/GPRS
* Band: 850/900/1800/1900Mhz
* GPS chip: UBLOX
* GPS sensitivity: -159dBm
* GPS accuracy: 5m
* Time To First Fix:
Cold status 35-80s
Warm status 35s
Hot status 1s
* Wall charger: 110－220V input
* Battery: Chargeable changeable 3.7V 1000mAh Li-ion battery
* Standby: 240hours
* Storage Temp.: -40°C to +85°C
* Operation Temp.: -20°C to +55°C
* Humidity: 5%--95% non-condensing
Please charge 12hours at first use.
Insert SIM card in right way. Please put the unit outside and make sure the trademark side facing up.
Confirm your SIM card have calling, send SMS, GPRS function.
Confirm your SIM card have enough balance (money).
Confirm your SIM card can show caller ID and don not use call forwarding