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 ... 50 Storage temperature:-20 to 5512. Communicate on: USB /Wifi/CDMA/GPRS/Bluetooth , ( wifi ,Bluetooth or GPRS only choose single) 13. Storage: SD ...