said by Ceryana : 
I've had Verizon broadband for 2 weeks now and it truly SUX. My
average is 300-400kbs d/l using their newest USB 727 modem.
They told me that I live in a marginal service area and have no plans to update it. I guess they forgot about the tower they installed 5 months ago 3 miles from my location. A major call center of theirs is about 8 miles down the road.
Guess I'll be going back to satellite. At least I was getting much better speeds.
Have you twaeked your settings for the aircard? Have you updated it to make sure it is using the latest correct settings?