Tommy, you are dead on.  Even in Arizona, we see about 10-20 minutes of totally 
losing the signal about twice a year on a 2.3 mile link in heavy rain.  The 
rest of our shorter AF24 links don’t drop at all.

Rory

From: [email protected] [mailto:[email protected]] On 
Behalf Of Tommy Adams
Sent: Monday, February 27, 2017 8:56 AM
To: 'Ubiquiti Users Group'
Subject: Re: [Ubnt_users] AF24 6mile link

So we have a 2.5 mile link in central Texas.  You can read about it here.  
https://community.ubnt.com/t5/airFiber-Stories/AF24HD-2-5-mile-link/cns-p/1656005
  Over the last year we have noticed drops during heavy rains but only 
momentary.  We have set ours up to drop the ethernet if the signal capacity 
degrades to 400 Meg.  The ethernet stays off for 2 minutes after 400 Meg 
capacity is reached again.  That is the first step.  The second part of the 
magic is a high capacity 5 Gig link for the backup which is automatically 
switched over.  The switch over is done by to CR1009 routers, one on each end.  
I think a 3011 would do the trick as well, but overkill never hurts.  Using 
layer 2 bonding and link monitoring via ARP, customers rarely lose a ping.  My 
view is this, yes the backup link is slower, but the customers are still up.  
Typically all traffic is back to the AF24HD within 5 minutes.

So to summarize, as the only link, forget it for the distance you mentioned, a 
backup is needed.  Also, if you can bite the bullet, go 11 GHz and forget about 
the rain fade.  We are deploying B11’s and at that distance seeing full 1 gig 
across them.  The AF11’s might be great, I am not sure what speed you can get 
across them.

My 2 cents and good luck,

Tommy


-----------------------------------------------------------
Tommy Adams
Network Administrator
Digitex.com

817.558.6230 Voice
817.558.1204 Fax



From: [email protected]<mailto:[email protected]> 
[mailto:[email protected]] On Behalf Of Adair Winter
Sent: Monday, February 27, 2017 7:06 AM
To: Ubiquiti Users Group <[email protected]<mailto:[email protected]>>
Subject: Re: [Ubnt_users] AF24 6mile link

Have a backup. It will fade heavily on any rain.

On Feb 27, 2017 7:03 AM, "Jose Maria Salazar Garcia" 
<[email protected]<mailto:[email protected]>> wrote:

Anyone have experience with this link (or AF24HD) with this distance?

I'm plan to replace one AF5 in 5GHz High noise level enviroment with this 
devices.

Experiences?

thanks to all in advance,
--
Jose Maria Salazar Garcia
Network Operations Manager
NetCan Technologies S.L.
[email protected]<mailto:[email protected]>
M:+34 697 50 20 10<tel:+34%20697%2050%2020%2010>
skype id: jmsalazargarcia
[logo]

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