Shock-proof PDA with RFID and Infrared Scanner 1.Windows CE OS 2.GPRS,WIFI,GPS,RFID ... /2D codes 4.SDK Shock-proof PDA with RFID and Infrared Scanner 1.Win CE OS2.GPRS,WIFI,GPS,RFID HF ... ) Screen of size 2.8 inch Input soft keyboard English,spell, handwriting hard keyboard 28 letters and number scan start key middle ... software development kit(SDK) Shock-proof PDA with RFID and Infrared Scanner