3G wireless network hsdpa usb modem 1.Rate:384kbps(Up)/3.6Mbps(Down) 2.Network:WCDMA 3.System:WinXP/VISTA/7/Mac 4.Voice Description1. Standard USB connector, insert it to laptop or computer directly , take and use conveniently.2. The data speed: Under the WCDMA network, the Max download up to 3.6Mbps.3. The SIM card separates from machine, in area of whole country, it can be used well, account ...