... QSC6270/MSM6280/MSM6290 (optional)3.Supports HSDPA/UMTS on 2100MHZ GSM/GPRS/EDGE on 850/900/1800/1900MHz (optional) 4.Donlink ... functions9. Support Windows 2000,XP,VISTA,Windows 7,MAC OS,Linux ,Android(optional)10. English driver, accept OEM, software can be ... customized, Specifications:1.USB 2.0 interface2.High performance external antenna3.SIM card slot ...