Friends Please tell me about Micromax MMX 310C Datacard. Now i have Prithiv UE100 data card. I have Some problem in this data card. So i have plan to buy MMX 310. Please give feedback about this MMX 310.This is compatible with windows 7 64bit? Tell about coverage strength,etc. also compare with Prithiv datacard.which one is best? This is helpful to me. Waiting for your reply.