... module 2,GPS,camera, RFID for options 3,WIFI, GPRS/GSM, Bluetooth interface 4,Widely used in logistics handheld pos terminal ... also can be operated under high / low temperature10.High-capacity data processing: with 512M ROM memory, 128M RAM and 533MHz ... source mode)Operating Power3.7V 2800mAh Rechargeable BatteryBackup Battery150mA,retain data over 4hrRechargeIn 3.5hrOperating hr> 8 hr ( relative to ...