... 5,HSUPA: 5.76Mbps UMTS modemBrief description 3.5G HSDPA wireless modem Detailed profileGSM frequency: 850/900/1800/1900MHZ UMTS frequency ... . data transfer rate: downlink 7.2Mbps,uplink 384Kbps. Built in antenna, three colored indicator, Plug & Play, auto installation software. operating ... 2000/XP/VISTA/Win7 product feature: built in high sensitive antenna, Plug & Play, auto startup, no CD required,