DIY WiFi Antennas

Rob Flickenger

Hacker Friendly LLC

1/4 wavelength ground plane

Collinear omni

Collinear omni construction


Biquad used as dish feed

Slotted waveguide

Very large parabolic

Pringles Can: In use

Pringles Can: Detail

Pringles Can: Dissected

Pringles Can: Small version

Pringles Can: One wavelength

Problems with the Pringles Can

There are a number of practical problems with the Pringles can design.

Home-brew antenna shootout

Ideal can for 2.4 GHz

Stew can

Cookie can

Use what you can find

Can as dish feed


Portions of this talk were adapted from Wireless Networking in the Developing World,