tablet internal 3g modem 1.7200 Chipset 2.DL7.2,UL5.76M 3.Winxp/7/8,MAC,Linux,Android 4.Same steady quality ... tablet internal 3g modem --- DM6441U,DM6445U Marketing Unique Selling PointHigh speed wireless accessFirst addressed regionEMEA, APACKey Drivers NetworkHSUPA, UMTS,EDGE,GPRSForm-FactorUSB ... Supported Windows 2000, XP, Vista 32/64, Windows 7/8,Mac OS X 10.4.9-10.6 Linux(Driver),Android ...