Ok, here goes.
Start> Settings> Control Panel> Internet Options> Connections> Add>
-Dial-up Private Network
-Select your phone/aircard in the list
-put in the phone number #777
-Do not use smart card
-Rename to whatever you'd like
Username: (your number)@vzw3g.com ex:
*do not put in a domain*
Start> Settings> Control Panel> Network Connections
You will see the connection you just created.
Right-click on it and click "create shortcut" to "desktop"
Now close all that out.
double-click on the new icon on your desktop and you should connect.
(the password will appear longer than you origionally typed, that's ok)
Whew, hope this helps!