high speed usb modem 1.Rate: 153.6 Kbps ... high speed usb modem Description : 1,Standard USB connector , insert it to laptop or computer directly , take and use conveniently.2,The data ... power source management, it can keep good data delivering speed in super speed train and automobile .5,Connection rate: under ... ,connection rat can attain 99%.6,The link speed is quick, it is less than 5 seconds ...