Always wondered if radials on these would help? I turn it over to antenna experts for answers On Aug 1, 2015 12:07 PM, "Ken Hohhof" <[email protected]> wrote:
> What antenna and what frequency? PBE can’t do 5.1 or DFS yet, right? I > worry a bit that the Ubiquiti omnis I think are only spec’d down to 5.4. > > We tried an International NBE-M5-19 set to to a different region code > (Czech Republic) to get an idea what the performance would be once the FW > came out, and could only get about –70 at 1700 feet with the 10 dBi omni on > the M5 Rocket. Yes, it works, but that’s not going to be very robust, and > that’s only 1/3 of a mile. > > *From:* Rory Conaway <[email protected]> > *Sent:* Saturday, August 01, 2015 12:56 PM > *To:* [email protected] > *Subject:* Re: [AFMUG] Alpha wireless omni > > > We are seeing 2 miles at 30’ with Powerbeam 400 clients. > > > > Rory > > > > *From:* Af [mailto:[email protected]] *On Behalf Of *Ken Hohhof > *Sent:* Saturday, August 1, 2015 10:47 AM > *To:* [email protected] > *Subject:* Re: [AFMUG] Alpha wireless omni > > > > 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 <[email protected]> > > *Sent:* Saturday, August 01, 2015 11:59 AM > > *To:* [email protected] > > *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" <[email protected]> wrote: > > Why the Ubiquiti 10dbi instead of the 13dbi? > > > > On Sat, Aug 1, 2015 at 10:57 AM, Ken Hohhof <[email protected]> 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 <[email protected]> > > *Sent:* Saturday, August 01, 2015 10:37 AM > > *To:* [email protected] > > *Subject:* Re: [AFMUG] Alpha wireless omni > > > > Friends don't let friends use omnis ;) > > > > > > On Saturday, August 1, 2015, Ken Hohhof <[email protected]> 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. > > >
