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Dual Band Cantenna

A cantenna ( blending the words can and antenna) is a homemade directional waveguide antenna, made out of an open-ended metal can. Cantennas are typically used to increase the range of (or discover) wi-fi networks.
Although some designs are based on a  can, this tube is too narrow to increase the 2.4 GHz signal by a useful amount, although at 5 GHz it would be about the right size. However, a cantenna can be made from various cans or tubes of an appropriate diameter. Some designs include a pole mount to elevate the cantenna.

DB_KANT.JPG

kantenna_01.jpg

kantenna_02.jpg

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Yes, but a lot more interesting would be with a dielectric lens,,,!!!

 

35.jpg

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I have a 2.4Ghz cantenna almost exactly like this I've used reliably for ten years.

I'd like to add the 5.5Ghz element at the back, but I have one question.

The element has two risers to the ring - one to the feed, and the other to what?

 

Much obliged.

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By adding a dielectric rod waveguide (DRW) to the feed, it can increase the bandwidth of the frequency up to 3.5GHz,,,,

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,,,your cantenna is different from mine..!!!

,,,, but you have to give me the dimensions to your cantenna...!!!

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