... HSDPA/UMTS 2100MHZ/EDGE/GPRS/GSM850/900/1800/1900MHZ4 Transmission (maximum date rate)384kbps Uplink,7.2Mbps Downlink5 Plug ... 7.2Mbps,Uplink384Kbps.Using USB2.0 interface connection,To support data transmission with high speed, online voice, phonebook, text messaging, ... different business travel network charges,Support multiple operating system. For example Windows 2000/XP,Vista,Win7 WinCE Linux(2. ...