My guess is also OFDM overhead 

Jon Langeler
Michwave Technologies, Inc.


> On Jan 12, 2017, at 7:11 PM, Ken Hohhof <[email protected]> wrote:
> 
> Is it OFDM?  Overhead?  (cyclix prefix, pilot tones, etc.)
>  
> From: Af [mailto:[email protected]] On Behalf Of Mike Hammett
> Sent: Thursday, January 12, 2017 6:05 PM
> To: [email protected]
> Subject: Re: [AFMUG] Our UBNT AF11x experience
>  
> Right, if the spectrum is available, they'll be using 2x 80 MHz and getting 
> hella throughput.
> 
> As far as the AF11's inefficiency? The world may never know. Right, a Lumina 
> with the same specs, but short on QAM is doing 732 megs as opposed to UBNT's 
> 600.
> 
> 
> 
> -----
> Mike Hammett
> Intelligent Computing Solutions
> 
> Midwest Internet Exchange
> 
> The Brothers WISP
> 
> 
> 
> From: "Mathew Howard" <[email protected]>
> To: "af" <[email protected]>
> Sent: Thursday, January 12, 2017 6:00:50 PM
> Subject: Re: [AFMUG] Our UBNT AF11x experience
> 
> Yeah, but if the spectrum is available, most people are going to be running 
> the B11 on two 80mhz channels, both directions, so it'll theoretically do 
> about double that (one direction... but not both directions at the same time, 
> since they are half duplex radios... )
> 
> I still don't understand why the AF11 can only do 600Mbps... our old SAF 
> Lumina can do 366Mbps on one polarity in the same size channel, and only do 
> 256QAM.
>  
> On Thu, Jan 12, 2017 at 5:26 PM, Mike Hammett <[email protected]> wrote:
> I'll go with two polarities as I think that's the only way the B11 can run. 
> I'll go with what they spec it out to.
> 
> AF11x: 428
> B11: 390 
> 820c (same as IP20c): 694
> 
> 
> The costs can't even compare, though. You could build a whole network of B11s 
> for the price of an 820c link.
> 
> 
> 
> -----
> Mike Hammett
> Intelligent Computing Solutions
> 
> Midwest Internet Exchange
> 
> The Brothers WISP
> 
> 
> 
> From: "Mike Hammett" <[email protected]>
> To: [email protected]
> Sent: Thursday, January 12, 2017 5:17:29 PM
> Subject: Re: [AFMUG] Our UBNT AF11x experience
> 
> What's the Nurburgring time for an F-250, a Grand Caravan and a Ferrari?
> 
> 
> 
> -----
> Mike Hammett
> Intelligent Computing Solutions
> 
> Midwest Internet Exchange
> 
> The Brothers WISP
> 
> 
> 
> From: "Jon Langeler" <[email protected]>
> To: [email protected]
> Sent: Thursday, January 12, 2017 5:14:47 PM
> Subject: Re: [AFMUG] Our UBNT AF11x experience
> 
> What's the one way throughout of Mimosa vs AF11x vs IP20 in 40Mhz?
> 
> Jon Langeler
> Michwave Technologies, Inc.
>  
> 
> On Jan 12, 2017, at 5:55 PM, Mike Hammett <[email protected]> wrote:
> 
> At 40 MHz and a single polarity, you're looking at an almost insignificant 
> increase in throughput.
> 
> Their claim is 1.2 gb+.
> Cut that in half as they're advertising the aggregate, so 600 mb+.
> That's using both polarities, so now only 300 mb+.
> Only I haven't heard of anyone getting much more than 500 in a single 
> direction (they may certainly exist, I just haven't seen them), so now that 
> 300 is really only 250.
> 
> 
> Not much of an upgrade unless you can also get larger channels in both 
> polarities.
> 
> 
> 
> -----
> Mike Hammett
> Intelligent Computing Solutions
> 
> Midwest Internet Exchange
> 
> The Brothers WISP
> 
> 
> 
> From: "Josh Baird" <[email protected]>
> To: [email protected]
> Sent: Thursday, January 12, 2017 11:47:42 AM
> Subject: Re: [AFMUG] Our UBNT AF11x experience
> 
> This PTP800 is only capable of running at 40Mhz (ODU-A) so it can only do 
> 228Mbps full-duplex.  The AF11x should be able to do much more than that, 
> right?
>  
> On Thu, Jan 12, 2017 at 12:05 PM, Gino Villarini <[email protected]> wrote:
> IIRC, PTP800 is Remec Style, you'll need Remec to N connector adapters (AF11x 
> is N)
>  
> What do you expect to achieve with this upgrade?  Not much capacity  
> difference between PTP800 and AF11x, maybe 50-80- mbps more.  Only if you 
> have a xpic license you can double your throughput with the af11x
>  
> From: Af <[email protected]> on behalf of Josh Baird <[email protected]>
> Reply-To: "[email protected]" <[email protected]>
> Date: Thursday, January 12, 2017 at 9:12 AM
> To: "[email protected]" <[email protected]>
> Subject: Re: [AFMUG] Our UBNT AF11x experience
>  
> Good news - thanks for sharing.
>  
> Somewhat un-related question:
>  
> I have a PTP-800 link using these dishes:
>  
> http://www.hol4g.com/AC/product.aspx?number=ANC-VHLP3-11W-RR1&p=237127&sc=0
>  
> Do you know if I can re-use these dishes with the AF11x?  Do I need adapters?
>  
> Josh
>  
>  
> 
> Gino Villarini
> 
> President
> Metro Office Park #18 Suite 304 Guaynabo, Puerto Rico 00968
> <aeronet-logo_310cfc3e-6691-4f69-bd49-b37b834b9238.png>
> 
> On Thu, Jan 12, 2017 at 8:07 AM, Gino Villarini <[email protected]> wrote:
> Hey all, just dropping by to share our experience with AF11x, we habe been 
> beta testing the unit since Sept and for the last 3 months, the unit has been 
> rock solid.   
> 
>  
> 
> We are very happy with its performance, just wished it had a SFP port! 
> 
>  
> 
> This unit replaced a Mimosa B11 unit that we were having some intermitent 
> throughtput issues, 
> 
>  
> 
> The swap was easy since we reused the Jirous Dishes and only had to add the 
> af11x adapters to it, 
> 
>  
> 
> The link  went live on 9/21/16 and on the first weeks we experienced some 
> lockups, but after a revised beta fw was applied, all issues went away. 
> 
>  
> 
> For UBNT, please add SFP port and continue the good work towards a af6x and 
> af18x
> 
>  
> 
> Gino Villarini
> 
> President
> Metro Office Park #18 Suite 304 Guaynabo, Puerto Rico 00968
> <aeronet-logo_310cfc3e-6691-4f69-bd49-b37b834b9238.png>
> 
>  
>  
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