Put together a mobile wireless system. This thing is loaded but I can only get about 50ft from my house
http://www.joe-ks.com/archives_mar2006/RedneckWireless.htm
http://www.joe-ks.com/archives_mar2006/RedneckWireless.htm
I built a 12dB gain cantenna over the holidays so I would use Internet from a hotel located nearby our house.