hi my name is Patrick and I just had a foreign exchange student come to my house and so we needed to set up a wireless connection in my house and so i did but i also have xbox live and now that he is using my wireless connetion its harder to connect to like rainbow six vages 2 online games or if i get in it just has alot of lag and my friend cant not hear me over xbox live i had my xbox next to my router and had it hardwired but it did not help when i changed to wireless i also got a better router a linksys by cisco wilreless-N gigabit router i have an older modum so i dont know if that needs to be undated and i have click not Comcast please help me if u can i have been trying to fix it for the past 3 weeks and i dont plan on spending alot of money thank you.