3.1M usb modem 1.Rate:153.6Mbps(Up)2.4Mbp(down) 2.Network:EVDORev.O 3.System:Win2000/XP/VISTA/7/Mac 4.SMS phonebook PC Voice 3.1M usb modem Description: 1,Standard USB connector , insert it to laptop or computer directly , take and use conveniently.2,The data spreads velocity: Under the WCDMA network environment, the max download up to7.2 Mbps.3,The card separates from machine, in area of whole ...