I wouldn't know. Never used those with sync. I would say I did not
observe that problem on LTU for whatever that's worth.
In general if you have synchronized TDD there would be a guard interval
between the Download and Upload time slots. So that costs you
something, but it shouldn't be dramatic.
The other general issue could be if two radios are actually on
interfering channels. Synchronizing could actually guarantee
interference whereas two unsynced radios would only sometimes randomly
interfere with each other. I think that would be most noticeable if
traffic on the APs was light. That goes back as far as Canopy, and it
should apply to any GPS sync'ed system.
On 8/26/2020 10:43 PM, Rhys Cuff (Speedweb Internet) via AF wrote:
AirMax AC
*From:*AF <[email protected]> *On Behalf Of *Adam Moffett
*Sent:* Thursday, 27 August 2020 12:34 PM
*To:* [email protected]
*Subject:* Re: [AFMUG] UBNT GPS
On LTU or AirMax AC?
On 8/26/2020 10:31 PM, Rhys Cuff (Speedweb Internet) via AF wrote:
I’ve found when you enable sync the throughput reduces a fair bit,
more than just the UL/DL ratio.
Anyone else seen this?
*From:*AF <[email protected]>
<mailto:[email protected]> *On Behalf Of *Timothy Steele
*Sent:* Thursday, 27 August 2020 11:03 AM
*To:* AnimalFarm Microwave Users Group <[email protected]>
<mailto:[email protected]>
*Subject:* Re: [AFMUG] UBNT GPS
Sync works but you have to follow same guidelines as any other
You can only sync radios that are back to back
Make sure The AP's using the same channel can not hear each other
in a site survey
Make sure your separation of the AP's on the same channel are good
enough so your clients don't see both AP's at the same time
On Thu, Aug 27, 2020, 1:46 AM Adam Moffett <[email protected]
<mailto:[email protected]>> wrote:
Ubiquiti now vs Ubiquiti back then is a night and day difference.
So far I'm happy with the LTU product. I know other people
who seem to think the Airmax AC is better. I'm not gonna argue
that point either way, but they're both a good value. Their
current UI puts a lot of info in front of you in a pretty
clean way.
Although since we're the old Motorola list I'll point out that
PMP 450m currently gives you the most capacity in one sector.
The counterpoint is that you can put up a whole lot of
Ubiquiti sectors for what that costs. The counter-counter
point is you might be paying rent for each item, and you'll
certainly have wind load for each item.
If anybody tries to sell you Telrad, they are either an idiot
or a liar.
On 8/26/2020 11:54 AM, Craig Baird wrote:
So I've been out of the WISP business for a few years now,
but I have a project where I'm considering using some UBNT
gear. I'm wondering if the new GPS sync gear is decent.
From what I've read, they've fixed the issues that were
present years ago in their first sync attempt.
Specifically, I'm considering using some LiteAP 5 GPS APs
to Nanostation Loco 5s. Any input?
Craig
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