Main Features 1.Chipset : MSM 6500 2.CDMA 1x EV-DO RevO. 3.CDMA 800MHz Band 4.Data transmission DL up to 2.4Mbps 5.Backward compatible with CDMA 1x 6.Data transmission UL up to 153.6Kbps 7.Automatically install driver, no CD required 8.Support Data 9.USB 2.0 interfance 10.R-UIM type support 11.Support Windows XP / 2000 / Vista/ 7( 32& 64 bit) 12.Dimensions: 80* 24* 10mm 13.Weight: 26g EVDO Modem Software Specifications 1.SMS 2.Voice 3.Phone Book 4.Network Parameter Setting 5.Support Windows2000/ XP/ Vista/ 7 ( 32 & 64bit)