... RFID reader is optional Pocket Data Terminal, pocket pc , 3.5" touch, ARM926 based, WINCE OS,with barcode reader,GPRS, RFID reader is ... Memory: 64M Flash ROM 64M SDRAM4. Display: 3.5" TFT-LCD 320x240 pixel (Touchpad)5. Barcode: SYMBOL engine(1D),6. additional RFID ... Operating temperature:-20 to 50 Storage temperature:-20 to5512. Communicate on: USB /Wifi/CDMA/GPRS/Bluetooth ,( wifi ,Bluetooth or GPRS ...