I'm in the process of figuring out what gear to deploy to upgrade an old 802.11b sector that has 6 subscribers on it at about 1-2km range.

Wondering if the MIMO/2x2/dual-pol modulation schemes are actually useful in this scenario given the additional expense in radios, dual-pol antennas, reduced tx power, and so on ? I don't think I can use the lower gain integrated solutions from MT, so I'd be looking at some solution that gets me a 20+ dB antenna at the CPE, which I suspect will be quite a bit more costly to do dual-polarization.

Thanks.

Routerboard has easy solutions to this distance as sixth and as AP CPE-5HPnD-OUT RB912UAG these teams are very good at those distances.

What antenna is at the client side now?

I've got a Jirous 14dBi dual polarity 2.4GHz client running an RB711 2HnD at 2.7 miles with a single polarity AP and pecan trees eating my fresnel zone.

What antenna is at the client side now?

I've got a Jirous 14dBi dual polarity 2.4GHz client running an RB711 2HnD at 2.7 miles with a single polarity AP and pecan trees eating my fresnel zone.

Hi, the existing client side antenna is not too important, since they will all be replaced, but they're mostly 18dB panels (2.4GHz so about 30cm).

What modulation are you seeing on your setup ?