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 ... engine(1D), 6. additional RFID (13.56M) is optional (the price is not included)7. Backup: SD card or FLASH8. Develop ...