... 4.SDK Rugged Bar code Logger and Mifare(RFID) with GPS GPRS 1.Win CE OS2.GPRS,WIFI,GPS,RFID HF UHF3. ... SD/TF slot USB Communication port RS232, RS485 Communication portCommunication ExpandWIFI:802.11b/g wirelesss communicate function, and speed is 54MB ... 13.56MHz)/UHF(860-960MHZ) ExpandWireless network communication of GSM/GPRS module,support of GSM/GPRS Class10,GSM27.10 many road usedExpandINFRARED ...