wireless bridge

[sn95_311]

im pretty sure whats what its called , my little brothers been using one to conect his xbox 360 to the internet ( older xbox 360 ) and it died on him ,., the thing im looking for plugs into the wall and has a ethernet cable that would plug into the box and the xbox and pick up signal from there WIFI router , anyone have anything laying around like this and would like to make a few bucks ? , let me know , thanks