We had a lot of 4 mile+ links on AF24's that worked perfectly in ALASKA on the coast.
Some places have more rain/hr than others. On Sat, Feb 10, 2018 at 5:11 PM, Adair Winter <ada...@amarillowireless.net> wrote: > AF24 is only going to be 5 9's reliable to about 1-2 miles depending on > your rain zone. > for 2-4 miles you could use 23Ghz (way more EIRP than 24Ghz) > 4-8 miles 18Ghz > 8-20 miles 11 Ghz > and anything longer than that 6Ghz. unless you can mount really big dishes > for 11. > > > On Sat, Feb 10, 2018 at 5:05 PM, Gino A. Villarini <g...@aeronetpr.com> > wrote: > >> For 6-10 miles 24 ghz its way out of the question. Stick to 11 ghz. >> >> From: Af <af-boun...@afmug.com> on behalf of David Coudron < >> david.coud...@advantenon.com> >> Reply-To: "af@afmug.com" <af@afmug.com> >> Date: Saturday, February 10, 2018 at 6:57 PM >> To: "af@afmug.com" <af@afmug.com> >> Subject: [AFMUG] 24 GHz vs 11 GHz >> >> I know this topic has come up before, but thought I would throw it out >> again to hear additional thoughts as products continue to evolve. We have >> been doing primarily 5 GHz backhaul using Mimosa products for the last >> couple of years. Their frequency reuse has really helped us, but we are >> starting to see more locations that have lots of noise. We’d like to make >> the jump to higher frequencies and are looking at 11 GHz and 24 GHz for >> that. The links we need are fairly short, 6-10 miles max, which pushes >> the limits of the 24 GHz solutions, but with a very clean line of site we >> think we are in range for the links we are looking at as far as the design >> tools tell us. For 11 GHz, we would likely stay with the Mimosa product >> line, we know it pretty well and have all the management tools in place for >> it. For 24 GHz we’d likely go with the Ubiquiti AF 24 or AF 24 HD. We >> have worked with Ubiquiti stuff here and there, and just don’t have much >> familiarity with any other options outside of AirFiber. Here is where we >> see the Pros and Cons of the two options: >> >> >> >> Mimosa 11 GHz Pros: >> >> 1. Licensed, should be clean spectrum for the full term of the >> license and require less babysitting for interference >> 2. Should support longer links, but that isn’t a big consideration >> for us as it looks like everything we will need is under the limits of the >> HD for sure and likely the AF 24 as well >> 3. Little less susceptible to rain fade >> >> >> >> Cons: >> >> 1. Have to mess around with the license and there is a cost >> associated with it >> 2. Have to buy the dish separately, and know which to use before >> applying for the license >> 3. Not quite as much throughput (when compared to the AF 24 HD) >> 4. More expensive that the AF 24 (but likely a little less than the >> HD) >> >> >> >> >> >> Ubiquiti AF 24 Pros: >> >> 1. All in one unit, easy to figure out what to have on hand for all >> links >> 2. No messing around with licenses, making it much quicker to deploy >> 3. Higher throughput on the HD >> >> >> >> Cons: >> >> 1. Unlicensed. Might fight other noise out there, and even quiet >> links now might have noise later >> 2. Not as familiar with this tool set as we are with Mimosa, although >> this isn’t a big consideration as we have worked with lots of Ubiquiti >> products >> 3. Cost of HD is pretty high for an unlicensed link >> >> >> >> Here are some questions we are hoping for help with: >> >> 1. How much room in the unlicensed band is there to move channels if >> you see other noise out there? We have been looking but are finding it >> tough to figure out if we run wide channels, and see noise, will we be >> able >> to move to other channels. >> 2. Is it reasonable to think you can push 1.2 aggregate IP traffic >> across any of the three options B11, AF24 or AF24HD? Seems like a well >> planned link with great line of site at 6 miles should be able to, but >> looking for some real world experience. >> 3. Any oddball items we should take into consideration other than the >> ones already mentioned here? Or are we missing some obvious questions? >> >> >> >> Thanks, >> >> >> >> David Coudron >> >> >> >> >> >> *Gino A. Villarini* >> President >> Metro Office Park #18 Suite 304 Guaynabo, Puerto Rico 00968 >> >> > > > -- > > Adair Winter > VP, Network Operations / Co-Owner > Amarillo Wireless | 806.316.5071 <(806)%20316-5071> > C: 806.231.7180 <(806)%20231-7180> > http://www.amarillowireless.net > <http://www.amarillowireless.net> > > >
