Product parameter
GSM/GPRS module: SIMCOM SIM900\SIM300
Band: 850/900/1800/1900Mhz 、900/1800/1900Mhz
CPU: ARM
Communication protocol: TCP/UDP
GPS chip: SIRF3 Sensitivity: -159dBm Accuracy: 5-20m
Time To First Fix: Cold status 45s Hot status 1s
Wall charger：110－220V input 5V output
Battery: 3.7V 860mAh Li-ion battery
Standby: 250hours
Storage Temp: -40°C to +85°C
Operation Temp: -20°C to +55°C
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