Well, almost free.
It takes a sheet of heavy paper, some aluminum foil and a few minutes of your time. So let’s just say insanely cheap.
Our wi-fi router is centrally located within our office. But the conference room, where the wi-fi is most often required, is separated from the router by multiple walls and lots of fluorescent light fixtures. A signal is obtainable- but the strength is meager at best.
Repositioning the router wasn’t really feasible so I started investigating wi-fi signal boosters and such. There are several options available ranging from add-on antennas to signal relays that attempt to extend the signal- supposedly up to 1 mile.
Then I came across this idea from Free Antennas.com. Using a simple cardboard parabola covered with foil it promised a 9 dBi gain. For free!
It took about 10 minutes to cut out a copy and place it on…
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