I haven't used the 10dbi, but the 13dbi has been working reasonably well for us. Awhile back I tested one by rotating it while I watched the signal level on a CPE, if I remember right, the difference was something like 4-5db between the best and worst points.
On Sat, Aug 1, 2015 at 12:47 PM, Ken Hohhof <af...@kwisp.com> wrote: > Yeah, we’re only using them for a radius of less than 1 mile, and usually > with a CPE right at the repeater site, so the smaller antenna with more > downtilt seemed appropriate. I question whether that’s really a 10 dBi > antenna though, the range has been disappointing. > > > *From:* Josh Luthman <j...@imaginenetworksllc.com> > *Sent:* Saturday, August 01, 2015 11:59 AM > *To:* af@afmug.com > *Subject:* Re: [AFMUG] Alpha wireless omni > > > Greater vertical bandwidth? > > Josh Luthman > Office: 937-552-2340 > Direct: 937-552-2343 > 1100 Wayne St > Suite 1337 > Troy, OH 45373 > On Aug 1, 2015 12:56 PM, "Mathew Howard" <mhoward...@gmail.com> wrote: > >> Why the Ubiquiti 10dbi instead of the 13dbi? >> >> On Sat, Aug 1, 2015 at 10:57 AM, Ken Hohhof <af...@kwisp.com> wrote: >> >>> Yeah, yeah, yeah, but I’m not putting sectors at a legacy repeater site >>> in a tiny town with 6 subs which of course are in all different >>> directions. The site is currently 2.4 FSK and an omni with 7 degrees >>> downtilt, but the 2.4 interference has become too bad. >>> >>> I have been trying to use Rockets in U-NII-1 with the Ubiquiti 10 dBi >>> omni, but the range is really poor plus I’m tired of waiting for the SOON >>> firmware for the Beams. I also see home routers now coming preset to use >>> channels 36-48 by default (which makes sense), so U-NII-1 may not stay >>> quiet in town. >>> >>> >>> *From:* Sean Heskett <af...@zirkel.us> >>> *Sent:* Saturday, August 01, 2015 10:37 AM >>> *To:* af@afmug.com >>> *Subject:* Re: [AFMUG] Alpha wireless omni >>> >>> Friends don't let friends use omnis ;) >>> >>> >>> >>> On Saturday, August 1, 2015, Ken Hohhof <af...@kwisp.com> wrote: >>> >>>> Does anyone know if the KPP dual slant omni is an Alpha AW3089 or a >>>> knockoff? And has anyone used either of them? >>>> >>>> My experience with 5 GHz dual pol omnis has been disappointing, I'm >>>> wondering if these bigger, more expensive omnis deliver better performance. >>>> >>>> 11 dBi isn't much if you can lose 3-5 dB at certain azimuths, another >>>> few dB depending on frequency, and another 3 dB at zero elevation due to 4 >>>> degrees electrical downtilt with an 8 degree beamwidth. >>>> >>>> For $600+ and 6 inches diameter, I'd expect it to wash and wax my car. >>>> >>>> >> >
