GPRS/ GPS, WIFI,Bluetooth(Optional) 1D or 2D bar code scanner module (Optional) Windows CE 5.0 operation system 2.4G active ... )Wireless CommunicationBluetooth v2.0 + EDR; IrDA; EDGE/GPRS Module (Optional); WIFI Module (Optional); GPS Module(Optional)Display3.5QVGA (backlight), TFT-LCD 256K, four-wire ...