With the PMP450 you can select up to 2 alternative frequencies for the radio to go to if it gets a DFS hit. Very rarely would all 3 frequencies get hits and cause the AP to go down.
On Tue, Oct 25, 2016 at 9:04 AM, Mike Hammett <af...@ics-il.net> wrote: > DFS is great for PtP because if it goes down, you have another one on > another path. Not so with PtMP. > > > > ----- > Mike Hammett > Intelligent Computing Solutions <http://www.ics-il.com/> > <https://www.facebook.com/ICSIL> > <https://plus.google.com/+IntelligentComputingSolutionsDeKalb> > <https://www.linkedin.com/company/intelligent-computing-solutions> > <https://twitter.com/ICSIL> > Midwest Internet Exchange <http://www.midwest-ix.com/> > <https://www.facebook.com/mdwestix> > <https://www.linkedin.com/company/midwest-internet-exchange> > <https://twitter.com/mdwestix> > The Brothers WISP <http://www.thebrotherswisp.com/> > <https://www.facebook.com/thebrotherswisp> > > > <https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg> > ------------------------------ > *From: *"Ken Hohhof" <af...@kwisp.com> > *To: *af@afmug.com > *Sent: *Monday, October 24, 2016 9:14:47 AM > *Subject: *Re: [AFMUG] AF-5U vs. AF-5x > > I think PTP links are narrow beams and carefully engineered. On the other > hand some PTP radios allow auto frequency change. > > > > I would be very cautious about using those frequencies and make sure the > path isn’t inline with any TDWR sites no matter the distance. For that > matter, I really don’t like the idea of using DFS frequencies for PTP > links, can you really afford the downtime for a false radar detect? Do you > not have lower 5 GHz non-DFS frequencies available to use instead? > > > > > > *From:* Af [mailto:af-boun...@afmug.com] *On Behalf Of *Kurt Fankhauser > *Sent:* Monday, October 24, 2016 8:57 AM > *To:* af@afmug.com > *Subject:* Re: [AFMUG] AF-5U vs. AF-5x > > > > I am 60 miles from closest TDWR. I just thought it was odd that the AF5X > allows transmit on that freq but the PMP450 AP has those frequencies greyed > out. I figured that Cambium would be certified for more freqs than UBNT. > Maybe cambium just made that choice to make those freqs unavailable. > > > > On Mon, Oct 24, 2016 at 8:53 AM, Josh Luthman <j...@imaginenetworksllc.com> > wrote: > > As long as you're at a safe distance yes. I'm sure you're more than 30 km > from me for the TDWR here. > > Josh Luthman > Office: 937-552-2340 > Direct: 937-552-2343 > 1100 Wayne St > Suite 1337 > Troy, OH 45373 > > > > On Oct 24, 2016 8:30 AM, "Kurt Fankhauser" <lists.wavel...@gmail.com> > wrote: > > Is AF5X legal to transmit on 5600-5650mhz? Firmware 3.2.1 allows it to be > selected. Is that a mistake? > > > > On Mon, Oct 24, 2016 at 8:24 AM, Josh Reynolds <j...@kyneticwifi.com> > wrote: > > Yeah, the U is upper band only. > > The AF-5 goes down to 5470 (if the datasheet is still accurate). Very good > antennas, but limited gain. 1024QAM. GPS sync. Good radio for the money, as > long as it works for your link distance. > > > > On Oct 24, 2016 7:14 AM, "Josh Luthman" <j...@imaginenetworksllc.com> > wrote: > > I think one or two modulations. > > You can't do the lower frequencies on the U. > > Josh Luthman > Office: 937-552-2340 > Direct: 937-552-2343 > 1100 Wayne St > Suite 1337 > Troy, OH 45373 > > > > On Oct 24, 2016 8:05 AM, "Paul McCall" <pa...@pdmnet.net> wrote: > > Is there any difference performance wise on these two? > > > > What is the distance for full modulation on the *AF-5U* > <https://www.streakwave.com/itemdesc.asp?ic=AF%2D5U&eq=&Tp=&o1=0> ? > > > > What is the longest link (at decent modulation) on the *AF-5U* > <https://www.streakwave.com/itemdesc.asp?ic=AF%2D5U&eq=&Tp=&o1=0> > > > > I understand that will vary quite a bit with the normal environmental > factors, but looking to get close on a comparison > > > > Paul McCall, President > > PDMNet, Inc. / Florida Broadband, Inc. > > 658 Old Dixie Highway > > Vero Beach, FL 32962 > > 772-564-6800 > > pa...@pdmnet.net > > www.pdmnet.com > > www.floridabroadband.com > > > > > > > > > >
