Ermanno Pietrosemoli, president of a networking school in Venezuela, has set a new record for the longest communication link with Wi-Fi…a whopping 238 miles.

Together with Intel tech (which has created a way to electrically steer the signal, which in turn increases bandwidth) and MacGuyver techniques with LinkSys hardware, Pietrosemoli sent an 802.11 signal between two mountains in the Venezuelan Andes.
News.com