... /GSM/wifi/bluetooth interface 2,GPS,camera, RFID for options 3,WIFI, GPRS/GSM, Bluetooth interface handheld pos terminal/ ... Bluetooth communication8. Open platform to provide the SDK software interface, customer may develop their own applications9. Industrial equipment, ... .01m/sExpansionInternal HF RFID Read WriteExpansionInternal Wireless Communication module GSM/GPRS,Support GSM/GPRS Class10,GSM27.10 ...