Posts Tagged ‘test antennas’

Cardboard Slotted Waveguide

Wednesday, October 24th, 2007

On http://wireless.com.pt/forum/index.php?PHPSESSID=3a383f0ff0f782f5a00fea2c1e20e5d9&topic=15658.0 You can find interesting antenna projct cardboard slotted waveguide.

Aluminium foil and cardboard is used to build slotted waveguide wifi antenna.

Here some pictures :

Last picture is 11Ghz and 2.4Ghz versions compared.

Waveguide is tested and the resuts are very good – more than 14dbi are reached!

This is a good way to fast build and test antennas, also quick modifications are possable.

The bad thing is that You can not solder aluminium – which for this antenna is not a problem.

The author of this post call this “40cents antenna” and he has several different types of antennas builded and tested.

You can find the links on the http://wireless.com.pt forums.