Yeah, xmt power looks pretty impressive on the Aviat radios. It also looks like the receive sensitivity is a couple db better than the PTP820C at any given modulation.
On Wed, Jan 15, 2020 at 12:24 PM Ken Hohhof <[email protected]> wrote: > 25.5 dBm xmt power at 4096QAM is pretty impressive. I remember several > years ago some talk of chipsets would use some sort of predistortion > technique to cancel out the distortion in the power amp, is that what is > going on in these radios? I don’t remember who the chip vendor was. > > > > *From:* AF <[email protected]> *On Behalf Of *Adair Winter > *Sent:* Wednesday, January 15, 2020 12:15 PM > *To:* AnimalFarm Microwave Users Group <[email protected]> > *Subject:* Re: [AFMUG] Licensed radios > > > > and we found that the WTM4200 has 5.5db more system gain then the SIAE AP2 > at 4096QAM which had better system gain then some of the other radios on > the market. > > SIAE questions if Aviat is reporting correct numbers but I don't think > they are incorrect either.... > > Even if Aviat's numbers are a bit exaggerated and there was only a 3db > difference that's still a whole antennas size! > > > > > > > > On Wed, Jan 15, 2020 at 12:12 PM Tim Hardy <[email protected]> wrote: > > Yes, as I mentioned previously the system gain of the WTM 4200 at 80 MHz > bandwidth, 4096 QAM is 77.5 dBm (threshold is -52.0 dBm and tx power is > 25.5 dBm). This provides 7.5 dB more fade margin than the AF-11 at 80 MHz > bandwidth, 1024 QAM (system gain 70.5 dBm, threshold -52.5 dBm and tx power > is 18.0 dBm) > > > > > > On Jan 15, 2020, at 12:58 PM, Mathew Howard <[email protected]> wrote: > > > > Based on the required signal levels listed in Aviat's spec sheets, it > shouldn't be that hard to achieve 4096QAM. I don't remember what the > numbers were off hand, but it was well within what I would expect on a real > world link. > > > > On Wed, Jan 15, 2020 at 9:59 AM Ken Hohhof <[email protected]> wrote: > > Just to be clear, the links are actually running at 4096QAM? That’s > pretty impressive. > > > > But is it like saying you own a 250 mph car? It may be true, but you also > may not be able to verify it from personal experience. > > > > > > *From:* AF <[email protected]> *On Behalf Of *Adair Winter > *Sent:* Wednesday, January 15, 2020 9:46 AM > *To:* AnimalFarm Microwave Users Group <[email protected]> > *Subject:* Re: [AFMUG] Licensed radios > > > > Hell ya we do, we have three 4096 QAM links running and about to add one > more. > > It's the only way to go > > > > On Wed, Jan 15, 2020 at 9:43 AM Ken Hohhof <[email protected]> wrote: > > You have actual links running 4096QAM IRL? > > > > I thought it was more like being able to land a quadruple axel. Once. In > practice. OK, define “land”. Walk away? Able to skate again once the > cast comes off? > > > > But I have to admit my view of licensed backhaul capacity has evolved as > video streaming has come to dominate the Internet. Once I thought the only > number that mattered was the 5 nines throughput, or worst case 4 nines. > But customers stream 24x7 and will raise a much bigger fuss over > most-of-the-time speed than over the occasional drop in capacity or even > outage. > > > > Still, even on 2048QAM radios, actually getting 2048QAM seems like hitting > all green lights on the way to work. It’s nice, but you don’t bet your > life on it, or cry when you see the modulation drop to 1024QAM for no > apparent reason. Or 256 or 512 during heavy rain. Maybe if you have all > really short links. We are rural and don’t have that luxury. Most of our > links are 6-10 miles. And given that our climate future seems to look like > Waterworld, rain cannot be ignored. > > > > > > *From:* AF <[email protected]> *On Behalf Of *Andreas Wiatowski > *Sent:* Wednesday, January 15, 2020 8:05 AM > *To:* AnimalFarm Microwave Users Group <[email protected]> > *Subject:* Re: [AFMUG] Licensed radios > > > > I find the Aviat radios easier to configure…but the Cambium/Ceragon is > more of a mature platform. Aviat however does 4096QAM. > > > > <image001.jpg> > > *Internet.*** > ** > *Phone.****TV.* > > *Andreas Wiatowski* > > CEO/Founder > > Silo > > *1-866-727-4138, ext 600* <1-866-727-4138,%20ext%20600> > > | > > *[email protected]* <[email protected]> > > *silo.ca* <http://www.silo.ca/> > > > > <image002.png> > > > > <image003.png> > > > > <image004.png> > > *From: *AF <[email protected]> on behalf of Gino Villarini < > [email protected]> > *Reply-To: *AnimalFarm Microwave Users Group <[email protected]> > *Date: *Wednesday, January 15, 2020 at 4:31 AM > *To: *AnimalFarm Microwave Users Group <[email protected]> > *Subject: *Re: [AFMUG] Licensed radios > > > > [EXTERNAL] > > Right… yeah mind f*** the 820c is a dual core radio… the Bridgewave and > Aviat radios that do this are single core… so less $$$ > > > > *From: *AF <[email protected]> on behalf of Erich Kaiser < > [email protected]> > *Reply-To: *AnimalFarm Microwave Users Group <[email protected]> > *Date: *Wednesday, January 15, 2020 at 5:16 AM > *To: *AnimalFarm Microwave Users Group <[email protected]> > *Subject: *Re: [AFMUG] Licensed radios > > > > No you can do ACCP on one unit, you just need a combiner that they sell > that goes between the dish and radio. Non-Adjacent channels could be an > option with two radios but probably would do it with two PTP820S and a > combiner. > > > > > Erich Kaiser > > North Central Tower > > [email protected] > > Office: 815-570-3101 > > > > > > > > > > On Wed, Jan 15, 2020 at 2:39 AM Gino A. Villarini <[email protected]> > wrote: > > Don’t you need an extra radio for this on the 820C? > > > > *Gino** Villarini * > Founder/President > @gvillarini > t: 787.273.4143 Ext. 204 > m: > > <http://www.aeronetpr.com/> > > <http://www.aeronetpr.com/> > > <http://www.aeronetpr.com/> > > <http://www.aeronetpr.com/> > > <http://www.aeronetpr.com/> > > www.aeronetpr.com | Metro Office Park #18 Suite 304 Guaynabo, PR 00968 > <http://www.aeronetpr.com/> > > > > > > *From: AF <[email protected]> on behalf of Erich Kaiser > <[email protected]>Reply-To: AnimalFarm Microwave Users Group > <[email protected]>Date: Wednesday, January 15, 2020 at 2:49 AMTo: AnimalFarm > Microwave Users Group <[email protected]>Subject: Re: [AFMUG] Licensed radios > <http://www.aeronetpr.com/>* > > <http://www.aeronetpr.com/> > > PTP820C does this its called ACCP. <http://www.aeronetpr.com/> > > <http://www.aeronetpr.com/> > > > <http://www.aeronetpr.com/> > > Erich Kaiser <http://www.aeronetpr.com/> > > North Central Tower <http://www.aeronetpr.com/> > > [email protected] <http://www.aeronetpr.com/> > > Office: 815-570-3101 <http://www.aeronetpr.com/> > > <http://www.aeronetpr.com/> > > <http://www.aeronetpr.com/> > > <http://www.aeronetpr.com/> > > <http://www.aeronetpr.com/> > > On Tue, Jan 14, 2020 at 4:17 PM SmarterBroadband <[email protected]> wrote: > <http://www.aeronetpr.com/> > > Hi <http://www.aeronetpr.com/> > > <http://www.aeronetpr.com/> > > The BridgeWave Navigator states it can have more than 2x80 channels on one > dual core radio, however the extra channels have to be adjacent. > <http://www.aeronetpr.com/> > > <http://www.aeronetpr.com/> > > Do any other vendors do this in 11 and 18GHz Today (no vaporware). And > do any have non-adjacent channels? <http://www.aeronetpr.com/> > > <http://www.aeronetpr.com/> > > Thanks <http://www.aeronetpr.com/> > > <http://www.aeronetpr.com/> > > Adam <http://www.aeronetpr.com/> > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > <http://www.aeronetpr.com/> > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > <http://www.aeronetpr.com/> > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > <http://www.aeronetpr.com/> > > > <http://www.aeronetpr.com/> > > <http://www.aeronetpr.com/> > > -- <http://www.aeronetpr.com/> > > Adair Winter > VP, Network Operations / Co-Owner > Amarillo Wireless | 806.316.5071 > C: 806.231.7180 > http://www.amarillowireless.net > <http://www.aeronetpr.com/> > > <http://www.aeronetpr.com/> > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > > > > -- > > Adair Winter > VP, Network Operations / Co-Owner > Amarillo Wireless | 806.316.5071 > C: 806.231.7180 > http://www.amarillowireless.net > <http://www.amarillowireless.net> > > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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