Fast, Cheap, and Easy Wifi Cantenna
This instructable is on how to make a wifi wave guide antenna for FREEEEE! (Assuming you already have a few things.)

Step 1: Materials

Fast, Cheap, and Easy Wifi Cantenna
Fast, Cheap, and Easy Wifi Cantenna
Fast, Cheap, and Easy Wifi Cantenna
Fast, Cheap, and Easy Wifi Cantenna
Fast, Cheap, and Easy Wifi Cantenna
Can (I just used a #10 can)
Knife
USB WIFI dongle
USB extension cord (my dongle came with one)
That's it.

Step 2: Cut

Fast, Cheap, and Easy Wifi Cantenna
Fast, Cheap, and Easy Wifi Cantenna
Fast, Cheap, and Easy Wifi Cantenna
Cut a hole in the can towards the bottom (see picture) just big enough that you can force the female end of the USB extension cable in. I just stabbed mine with a pocketknife a few times. You don't want the cord to be able to move around at all. If you make the hole too big, just wrap the end of the cable that you sticking in the hole with duck tape until it's hard to fit in.

Step 3: Plug in

Fast, Cheap, and Easy Wifi Cantenna
Plug the dongle into the extension cord and the extension cord into your computer.

Step 4: Enjoy Cats, Violence

Fast, Cheap, and Easy Wifi Cantenna
It will take some aiming and maybe even a tripod but you should definitely notice an increase in the bountifullness of your internets.
I went from 1-2 bars to 4 bars and I can play games with no network lag. I am not even in the house, but in an outbuilding. Also I am using a crappy $5 wifi dongle. Hope this helps someone!
 
 

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