Yep, you can only do so much with downtilt. in some cases a tower needs to be able to cover a ten mile radius to be practical, sometimes it needs to be able to cover a ridge three miles away that's level with the tower - in those cases, you can't really do much with downtilt.
On Mon, Oct 19, 2015 at 9:59 AM, Mike Hammett <[email protected]> wrote: > Varies. Some a mile or two, some ten. > > > > ----- > Mike Hammett > Intelligent Computing Solutions > http://www.ics-il.com > > ------------------------------ > *From: *"Rory Conaway" <[email protected]> > *To: *[email protected] > *Sent: *Monday, October 19, 2015 9:54:09 AM > > *Subject: *Re: [AFMUG] Interesting antenna from UBNT > > Can you please explain further? And how far are you using the towers to > cover? > > > > Rory > > > > *From:* Af [mailto:[email protected]] *On Behalf Of *Mike Hammett > *Sent:* Monday, October 19, 2015 7:51 AM > *To:* [email protected] > *Subject:* Re: [AFMUG] Interesting antenna from UBNT > > > > It gets rather difficult to do that in a busy network covering lots of > area. > > > > ----- > Mike Hammett > Intelligent Computing Solutions > http://www.ics-il.com > > > ------------------------------ > > *From: *"Rory Conaway" <[email protected]> > *To: *[email protected] > *Sent: *Monday, October 19, 2015 9:48:31 AM > *Subject: *Re: [AFMUG] Interesting antenna from UBNT > > But don’t you use down-tilt to minimize the coverage so towers can’t hit > each other? > > > > Rory > > > > *From:* Af [mailto:[email protected] <[email protected]>] *On > Behalf Of *Mathew Howard > *Sent:* Monday, October 19, 2015 7:47 AM > *To:* af > *Subject:* Re: [AFMUG] Interesting antenna from UBNT > > > > It all depends on the particular network and the terrain you're dealing > with. If you're mostly doing micro-POPs where your "tower" is a tripod on a > house roof (we have several of those), then yes, it isn't such a big deal > to be able to sync with other towers, since most of them aren't going to be > able to see eachother anyway, but if you're primarily on grain legs and > actual towers that are 100'-300' and they might have LOS to a dozen other > towers, then it's a very big deal to be able to sync the towers with > eachother - if you don't have sync it gets to be a nightmare to try and > coordinate everything. > > > > On Mon, Oct 19, 2015 at 9:26 AM, Rory Conaway <[email protected]> > wrote: > > Multiple towers don’t really matter much with 256QAM OFDM with Ubiquiti > because you have to plan on short ranges to get maximum modulation rates. > With tighter beam patterns on sectors and even customer radios with 30dBm > F/B ratios, the reality is users won’t have multiple towers causing > interference anyway. There is more interference from indoor wireless > routers than other towers. I think it really only matters on 1 tower. > > > > In reality though, you are still better to just plan your Ubiquiti > deployment on the tower without GPS and even then, try to stagger the > antennas on the tower and keep them as far apart as possible to minimize > interference. That’s how we did our last tower. Oh, and use RF Armor. > That may change someday but it’s the reality today. > > > > Rory > > > > *From:* Af [mailto:[email protected]] *On Behalf Of *That One Guy > /sarcasm > *Sent:* Sunday, October 18, 2015 11:42 PM > *To:* [email protected] > *Subject:* Re: [AFMUG] Interesting antenna from UBNT > > > > With the channel size required, or the number of small sectors required to > meet bandwidth demands in pmp in the day of ac not having a functional > multisite timing solution, whether GPS or goat heartbeat based, it's better > to start selling shoes instead of radio's. Just syncing a single site has > limited value, all the sites have to play together. Ubnt is like the drunk > uncle who promises the world. I like announcements, ubnt has some really > good looking marketing, swift peppy videos, and logos and sweet fonts, but > it would be nice of uncle drunkey would sober up for a couple days and > deliver some product. I'm singling them out because they tend to have the > most announced but not out products at any given time. > > On Oct 18, 2015 1:53 PM, "Rory Conaway" <[email protected]> wrote: > > I was studying all that stuff last night. I am rebuilding a tower middle > of next week. I already had the AC-Lites ready to go, just wanted to make > sure there wasn’t another option. > > > > *From:* Af [mailto:[email protected]] *On Behalf Of *Mike Hammett > *Sent:* Sunday, October 18, 2015 11:52 AM > *To:* [email protected] > *Subject:* Re: [AFMUG] Interesting antenna from UBNT > > > > They were talking about the new Prism radio, which doesn't have those > deficiencies (at least once certified). > > > > ----- > Mike Hammett > Intelligent Computing Solutions > http://www.ics-il.com > > > ------------------------------ > > *From: *"Rory Conaway" <[email protected]> > *To: *[email protected] > *Sent: *Sunday, October 18, 2015 1:48:16 PM > *Subject: *Re: [AFMUG] Interesting antenna from UBNT > > Yea, I wanted to be there. Got offered several free dinners J and I > never turn down food.. But got to play 5 baseball games and 3 of them in > the Angels spring training stadium. > > > > Rory > > > > *From:* Af [mailto:[email protected] <[email protected]>] *On > Behalf Of *Mike Hammett > *Sent:* Sunday, October 18, 2015 11:44 AM > *To:* [email protected] > *Subject:* Re: [AFMUG] Interesting antenna from UBNT > > > > I know you weren't there, which is why I said that. > > > > ----- > Mike Hammett > Intelligent Computing Solutions > http://www.ics-il.com > > > ------------------------------ > > *From: *"Rory Conaway" <[email protected]> > *To: *[email protected] > *Sent: *Sunday, October 18, 2015 1:41:18 PM > *Subject: *Re: [AFMUG] Interesting antenna from UBNT > > Wasn’t there. On a 7 day work week right now. > > > > rory > > > > *From:* Af [mailto:[email protected] <[email protected]>] *On > Behalf Of *Mike Hammett > *Sent:* Sunday, October 18, 2015 11:40 AM > *To:* [email protected] > *Subject:* Re: [AFMUG] Interesting antenna from UBNT > > > > Except you missed the announcement in Vegas? > > > > ----- > Mike Hammett > Intelligent Computing Solutions > http://www.ics-il.com > > > ------------------------------ > > *From: *"Rory Conaway" <[email protected]> > *To: *[email protected] > *Sent: *Sunday, October 18, 2015 1:38:18 PM > *Subject: *Re: [AFMUG] Interesting antenna from UBNT > > Except that it doesn’t support UNI-I or even some DFS frequencies. Or is > that a limitation of the firmware and not the hardware? > > > > Rory > > > > *From:* Af [mailto:[email protected] <[email protected]>] *On > Behalf Of *Peter Kranz > *Sent:* Sunday, October 18, 2015 11:31 AM > *To:* [email protected] > *Subject:* Re: [AFMUG] Interesting antenna from UBNT > > > > >> what is the difference with the current RocketAC that already has the > Prism system in it? > > > > The RocketAC-Prism has three important new things going on from what I can > tell: > > - TX filtering.. lower OOBE emissions mean higher power on > channels closer to the band edge > > - Expanded RX filtering range.. Old prism was 5480-5850, new > prsim is 5150-5850 > > - GPS Sync is back.. unknown benefits, time will tell. > > > > > > > > > > > >
