... RFID radio frequency(UHF frequency band),Wi-Fi/GPRS/Bluetooth,Integrated thelong-distance laser barcode scanner,manual input, ... 17mAhStandard communication: USB1.1, RS232Wireless communication(optional): Wireless network conforms to standards: IEEE802.11b/g Standard ... 900/1800/1900MHzAudio: embedded speakerInformation acquisition: RFID,Barcode scanning,touch screen,handheld pen.Support RFID Protocol ...