Camping World offers a cheap, easy to use, special wire to help bring a satallite signal into a camper that is not wired for satallite and for folks who don't wish to drill or mount a satallite connection
http://www.campingworld.com/browse/skus/index.cfm?skunum=14649&src=SRQB
we used one on a prior camper and it worked as advertised
Jim