Jim Thompson wrote:

Horizontal, mostly (if there is any polarization at all.)


Jeff King wrote:
Just found this FAQ off one of the Telix sites. See at the bottom where they mention laptop users which confirms what Jim was saying.

BTW, I'm using a Antennex circular polarizied antenna in one of my 900mhz indoor deployments. It made a world of difference in eliminating dead spots.

I can imagine that but I am still wondering what the plane of polarization is for a standard "dongle" antenna. It can't be random so it must be linear, elliptical, or circular. I suspect is is linear in the plane of the card so I suspect it is mostly horizontal for a card laid out horizontally. I was just hoping someone could verify that.


The reason I ask is that it then makes a lot of sense to set up AP antennas to radiate horizontal polarization rather than vertical.

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