... , shock drop resistance, long standby time, dual power mode, also with call feature. The new layout for the ... scanning module7. Communication mode: Wi-Fi communication, GPRS / GSM communication, Bluetooth communication8. Open platform to provide the SDK ... WriteExpansionInternal Wireless Communication module GSM/GPRS,Support GSM/GPRS Class10,GSM27.10 Power Source(Dual power source mode)Operating ...