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.Operation System ... 15. Weight: 300g 3.5" PDA ,handhelds,handheld device,handheld terminals, with barcode reader,GPRS, RFID reader is optional