Which is the good quality Internet calling card from Saudi Arabia to India, Pakistan and Bangladesh?

I would like to be able to use the internet in Spain, wireless and everywhere, through a netbook or a blackberry. Do you need a special modem to do so? Can you do this through some sort of calling card? About what would it usually cost per hour to surf the web? How fast would it be, compared to cable wireless in the US? If yahoo answers allows, can you suggest any particular calling card or whatever?

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