... 1.7200 Chipset 2.DL7.2,UL5.76M 3.Winxp/7/8,MAC,Linux,Android 4.Same steady quality as Huawei ... HSUPA3GPP R6, up to 5.76Mpbs ULHSDPA3GPP R5, up to 7.2Mpbs DLUMTS up to 384kbps DL & ULEDGEup to 237Kbps Downloadup ... UploadExternal Interface PowerPowered via the USB interfaceOS Supported Windows 2000, XP, Vista 32/64, Windows 7/8,Mac OS X 10.4.9 ...