Replying to PS2 connect wireless from a computer?

I have a question. Right now when i want to play my playstation online, i have to turn off he computer modem and turn on a seperate modem for the playstation. i also right now have a wireless-b linksys router which connects 2 of my computers online together. what i was wondering wasif i could get a certain wireless network adapter that i could also connect to to the router so i can use my playstation also.Do u know what it is. Thank you.

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