1)multi bands,3G bands are 850/900/2100MHz;2G bands are 850/900/1800/1900Mhz 2)work with windows 2000/xp/vista/7 AT&T wireless mini router with WIFI function1)Tri-band HSUPA/HSDPA 850/1900/2100MHz; Quad-band GPRS/EDGE 850/900/1800/1900Mhz;2)Compatiable with windows 2000/xp/vista/7/Mac os and Linux3)USB cable,rechargeable Li battery;A/C charge4) Quickstart;Universal compatibility with nearly any ...