[markem]

Originally Posted by gvarsity

http://www.oreillynet.com/cs/weblog/view/wlg/448 if you are a do it yourselfer.

http://en.wikipedia.org/wiki/Cantenna you can buy premade versions in a number of places for around 20-25$ They narrow spectrum so it is a direct line back to your house so you are not broadcasting your signal to all of your neighbors.

or get a yagi antenna pair. We've done 5+ miles on simple yagis, but they are big and bulky.

Oh yeah, a pringles yagi also works for short distances: http://www.netscum.com/~clapp/wireless.html
The writer (Andrew) is a former student of mine.