Hi all,i'm on BT BBtalk with a voyager 220v adsl voice router and i want to make my desktop PC wireless.

What's the easiest/cheapest way of doing this ?
I'm under the impression that even as an existing customer i'll have to buy the BT home hub if i want to[have i got that right ?],but can i just install a network card in my pc and do it like that instead ?
Which would be better ? Cheaper ?

I just want to be able to use a laptop wirelessy to connect to my BB connection.
I've never "gone wireless" so to speak before,but i can fix my pc and install hardware and software ok.

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Montecristo Edmundo