3.5" PDA ,handhelds,handheld device,handheld terminals, ARM926 based, WINCE with barcode reader,GPRS, RFID ... reader is optional 3.5" PDA ,handhelds,handheld device,handheld terminals, with barcode reader,GPRS, RFID reader is optional1 ... :-20 to 50 Storage temperature:-20 to 5512. Communicate on: USB /Wifi/CDMA/GPRS/Bluetooth , ( wifi ,Bluetooth or GPRS only choose ...