humn but wireless for gaming ,, , not very reliable to get the best out of the the conection id say just hard wire that SOB! you wont have to worry about any lag from the wireless signal which can fluctuate.
as for the Distance issue cat 5 can run 100 meters (330ft) anything after that will need a hub, switch, or repeater to boost the signal back up.
But here is a good find for Wireless. suposse to be really good.