... Bar code Logger and Mifare(RFID) with GPS GPRS 1.Win CE OS2.GPRS,WIFI,GPS,RFID HF UHF3.1D/2D codes4 ... middle+side key voice standard 0.5 w loudspeaker,tremblerExpansion GPRS SIM card slot Micro SD/TF slot USB Communication port ... )/UHF(860-960MHZ) ExpandWireless network communication of GSM/GPRS module,support of GSM/GPRS Class10,GSM27.10 many road usedExpandINFRARED Communication(remote ...