thinking of getting a 360, a nd i got a ...

so i live in a house and i have broad badn connection on the second floor with a modem and a router, and i was thinking ok putting my 360 in the basement and i was wondering if there is anyway to hook it up so that i dont have to get a really long ether net cable all the way to my basemnt, ie can i use the router somehow to get the xbox online? and will a router make my connection slower for the 360?thanks for the help thinking of getting a 360, a nd i got a ...
If your router is wireless then you could buy one of these wireless network adaptors for your 360But I just run a long ethernet cable from my router to my 360 and it works like a treat.