Put the smart antenna on it. Make sure your antenna leads are the same length on main and diverse. 4 5 supports the smart antenna. Try it in omni mode too. This is worth doing just to know.
You could try a csm with diversity too, even fairly close together. On Fri, May 29, 2020, 11:55 AM Ken Hohhof <af...@kwisp.com> wrote: > Which is a few miles from the tower, the customers or the lake? > > > > *From:* AF <af-boun...@af.afmug.com> *On Behalf Of *Darin Steffl > *Sent:* Friday, May 29, 2020 10:47 AM > *To:* AnimalFarm Microwave Users Group <af@af.afmug.com> > *Subject:* Re: [AFMUG] ePMP3000 AP spatial diversity - has anyone tried > it? > > > > This really sounds like something you should talk to cambium about. They > probably have some thoughts and advice on how to best make it work. > > > > On Fri, May 29, 2020, 10:39 AM Colin Stanners <cstann...@gmail.com> wrote: > > We have a tower site with customers across a lake, a few miles from the > tower. On 2.4Ghz PMP100 and 3.65Ghz PMP450 platforms, the occasional > thermal ducting / reflection across the lake will cause signal loss and > slowdowns / disconnections in rare and non-uniform cases. > > > > I had been looking at spatial diversity options at the tower end for a > while, but they weren't great. > > 1) Separate APs+antennas at different heights (at 3.65Ghz frequency ~50ft > apart?) - reconnections as the SMs switch APs would annoy customers, and > another non-lite PMP450 AP is not cheap for a smaller tower. > > 2) A PMP450 3Ghz AP in the middle, with each polarization on a different > antenna, ~50ft apart in height: the signal loss in the longer coax to each > antenna is a big problem and some customers would often lose half speed due > to one polarization being low in their location due to Fresnel zone. > > > > Now that ePMP3000 has been working well elsewhere on our network, there is > option: > > 3) ePMP3000 with 2x antennas, one main at the AP and another diversity > antenna ~35ft lower (~6dB weaker due to loss on the LMR400 coax etc). > Avoids all major problems. We checked in the shop and the Force 300-25 SM > seems to jump between antennas on AP ports 0+1 and 2+3 quickly and > effortlessly, without affecting traffic. > > > > This seems like a great option, does anyone see a reason that it wouldn't > work? > > > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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