problem with broadband usb card

Hello
i have installed the parallels desktop V.4. but i have a problem with internet with my vodafone broadband usb card. if use the airport and wifi connection and bridge connection of VM internet work very well in mac and under windows.
if use the usb broadband card under mac internet doesn t work under windows, i change the preference of VM in shared network, but nothing.

can u help me?

tks a lot