... );4.SIM/SD card SlotFeature:---7.2mbps USB HSDPA wireless modem---HSDPA/umts (2100MHz);---GSM/GPRS/edge (850/900/1800/ ... , 8 kbps ULVisual indicator: Three color LED indicator expressmulti-meaning for real time service status, technology modes, and errorconditionsExternal interface: USB2 ... Language Web interface based on your order Factory OEM-HSDPA 3G Modem with Android,linux,USSD,Voice function