On 1/7/2014 8:29 PM, Gino Villarini wrote:

Its doable with the PTP650's, add 3' dishes for a nice rx gain


I seem to recall a story several years ago, before Orthogon was bought by Moto, about a link somewhere in Central America (Nicaragua or Panama?) that used a pair of 5.8 GHz Orthogon radios, 6 foot dishes, and went over 100 miles. Hilltops and a really big dish will do wonders. Licensed 6 GHz radios, with their 6' dishes, are considered very reliable out to 30 miles. An unlicensed link is not protected against interference the same way but several of the 5.8 GHz options seem plausible.

But I wouldn't touch 24 GHz. It's ground zero for rain fade, so long hops there are only useful on sunny days, best in the desert. ;-) The adjacent 23 GHz licensed band has less rain fade, though, and is worth considering, and it should be duck soup on 18 GHz, though again licensed radios cost a bit more, especially the higher-powered or higher-speed options. We're shooting a DragonWave 18 GHz hop about 8 miles across Boston Hahbah and it's very solid, though extreme weather might cause some dropouts. We didn't see any during this past week's snow, though signals faded a few dB during yesterday's rain.

Gino A. Villarini

[email protected] <mailto:[email protected]>

Aeronet Wireless Broadband Corp.

787.273.4143

*From:*[email protected] [mailto:[email protected]] *On Behalf Of *Christian Palecek
*Sent:* Tuesday, January 07, 2014 9:21 PM
*To:* WISPA General List
*Subject:* Re: [WISPA] Advice Needed on 200 Mbps FDX Radios

Seems like you are asking a lot of unlicensed, unless it is completely quiet in your area...

Sent from my Verizon Wireless 4G LTE Smartphone



-------- Original message --------
From: Ian Framson
Date:01/07/2014 6:10 PM (GMT-07:00)
To: WISPA General List
Subject: [WISPA] Advice Needed on 200 Mbps FDX Radios

Hi Wisps,

We are looking for a pair of radios that can do 200 Mbps FDX over 11 miles (real world, not manufacturer's theoretical marketing promises). We are looking at using an unlicensed link (most likely 5 GHz) due to the time constraints, although we're open to suggestions.

The make/model we were considering was Motorola PTP650 with 450 Mbps upgrade license. We are not wed to Motorola, however. The cost seems to be the limiting factor at this point.

Another WISP I spoke with mentioned Bridgewave TD60 might be 1 possibility.

Your thoughts?

Ian Framson
Co-founder

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