you won't exceed the 15 gig limit in at that speed.

Half empty or half full?

BTW, mine is about 425 down and 38 up and that is 40km out of Doha. Are you in the coverage area? Did you look at the propagation map?

http://www.qtel.com.qa/Mob_BrdbandPost_Sub.do#2

look at "coverage" maps

“A lot of the people who keep a gun at home for safety are the same ones who refuse to wear a seat belt”