@Peter, the latest specs (dated 2/20/19) for the 4200 now have 80 MHz bw data.
> On Feb 26, 2019, at 7:11 PM, Peter Kranz <pkr...@unwiredltd.com> wrote: > > I’ve used the layer 1 capacity from the Aviat and Dragonwave datasheet, so > this should be before any compression, frame size, etc shenanigans. > > So I think this is apples to apples > > DW 56Mhz/2048 = 995 > Aviat 60Mhz/2048 = 1012 > > DW 80Mhz/2048 = 1245 > Aviat 80Mhz/2048 = 1370 > > Peter Kranz > www.UnwiredLtd.com <http://www.unwiredltd.com/> > Desk: 510-868-1614 x100 > Mobile: 510-207-0000 > pkr...@unwiredltd.com <mailto:pkr...@unwiredltd.com> > > From: AF <af-boun...@af.afmug.com> On Behalf Of Tim Hardy > Sent: Tuesday, February 26, 2019 3:53 PM > To: AnimalFarm Microwave Users Group <af@af.afmug.com> > Subject: Re: [AFMUG] Higher power 18Ghz radios.. > > We need to know what they are basing this throughput on compression, frame > size, etc. no way they can claim a 64 MHz bw (reference the emission > designator in the chart) has the same throughput as a true 80 MHz bw radio at > the same modulation. > > Sent from my iPad > > On Feb 26, 2019, at 6:26 PM, Peter Kranz <pkr...@unwiredltd.com > <mailto:pkr...@unwiredltd.com>> wrote: > >> I also believe the Dragonwave Radio is actually a full 80Mhz channel based >> on the throughput.. >> For instance, the Bridgewave/Remec Navigator 80Mhz/2048QAM radio is 1248 >> Mbps vs 1252 Mbps from the Dragonwave vs 1370 for the Aviat.. >> >> Peter Kranz >> www.UnwiredLtd.com <http://www.unwiredltd.com/> >> Desk: 510-868-1614 x100 >> Mobile: 510-207-0000 >> pkr...@unwiredltd.com <mailto:pkr...@unwiredltd.com> >> >> From: AF <af-boun...@af.afmug.com <mailto:af-boun...@af.afmug.com>> On >> Behalf Of Peter Kranz >> Sent: Tuesday, February 26, 2019 2:58 PM >> To: 'AnimalFarm Microwave Users Group' <af@af.afmug.com >> <mailto:af@af.afmug.com>> >> Subject: Re: [AFMUG] Higher power 18Ghz radios.. >> >> @Tim.. >> >> WTM platform may not support 80Mhz channel in 18Ghz, you may be stuck with >> 50 Mhz according to the technical datasheet: >> >> <image001.png> >> <image002.png> >> So, reviewing… The delta between 64Mhz and 80Mhz is not that high.. ~118 >> Mbps or around 9% which is interesting given the 25% more theoretical BW. >> >> Aviat 50 Mhz/2048QAM = 850 Mbps >> Aviat 80Mhz/2048QAM = 1370 Mbps >> DW 64 Mhz/2048 QAM = 1252 Mbps >> >> Peter Kranz >> www.UnwiredLtd.com <http://www.unwiredltd.com/> >> Desk: 510-868-1614 x100 >> Mobile: 510-207-0000 >> pkr...@unwiredltd.com <mailto:pkr...@unwiredltd.com> >> >> From: AF <af-boun...@af.afmug.com <mailto:af-boun...@af.afmug.com>> On >> Behalf Of Tim Hardy >> Sent: Tuesday, February 26, 2019 11:53 AM >> To: AnimalFarm Microwave Users Group <af@af.afmug.com >> <mailto:af@af.afmug.com>> >> Subject: Re: [AFMUG] Higher power 18Ghz radios.. >> >> >> Just an FYI.. >> According to this chart, the occupied bandwidth is only 64.5 MHz so you will >> be losing capacity vs radios that occupy the full 80 MHz bandwidth. The DW >> radio will have to be coordinated and licensed in one of the 80 MHz channel >> allocations as there are no FCC channel plans between 51 MHz and 79 MHz. >> There are only 4-channel pairs available at 80 MHz and its difficult to >> coordinate multiple pairs in many areas as a result. Finally, while these >> power levels are impressive, they don't tell the full story and you really >> need to compare the system gain values at the desired modulations. The DW >> 64.5 MHz radio’s system gain at 2048 QAM is 83 dB vs. the WTM 4100 80 MHz >> radio’s system gain at 2048 QAM which will be 73.5 dB. >> >> >>> On Feb 26, 2019, at 12:19 PM, Peter Kranz <pkr...@unwiredltd.com >>> <mailto:pkr...@unwiredltd.com>> wrote: >>> >>> +31 is the advertised 2048QAM output on the HP variant. Dragonwave >>> contacted me offline and is indicating a March availability. Here is the >>> table of power output levels for that radio. It should also support >>> 4096QAM, but I’m not sure if that’s available in the software yet. >>> >>> <image001.png> >>> >>> Peter Kranz >>> www.UnwiredLtd.com <http://www.unwiredltd.com/> >>> Desk: 510-868-1614 x100 >>> Mobile: 510-207-0000 >>> pkr...@unwiredltd.com <mailto:pkr...@unwiredltd.com> >>> >>> From: AF <af-boun...@af.afmug.com <mailto:af-boun...@af.afmug.com>> On >>> Behalf Of Ken Hohhof >>> Sent: Monday, February 25, 2019 8:27 PM >>> To: 'AnimalFarm Microwave Users Group' <af@af.afmug.com >>> <mailto:af@af.afmug.com>> >>> Subject: Re: [AFMUG] Higher power 18Ghz radios.. >>> >>> Looks like PTP820c is only +16. >>> >>> You’re talking about xmt power actually at 2048QAM modulation, right? +31 >>> is hard to believe. >>> >>> I remember hearing that Broadcom was supposed to have a chip with adaptive >>> digital predistortion for high xmt power also 4096QAM not sure if that >>> became real. >>> >>> From: AF <af-boun...@af.afmug.com <mailto:af-boun...@af.afmug.com>> On >>> Behalf Of Peter Kranz >>> Sent: Monday, February 25, 2019 6:51 PM >>> To: af@af.afmug.com <mailto:af@af.afmug.com> >>> Subject: [AFMUG] Higher power 18Ghz radios.. >>> >>> Dragonwave announced over a year ago the Harmony Enhanced 18HP, with +31 TX >>> power at 2048 QAM, but have never made it to production as far as I know. >>> From the top of my head, here are some of the major radios TX power in 18 >>> Ghz band: >>> >>> Dragonwave Harmony Enahcend HP – 31 <Vaporware?> >>> Dragonwave Harmony Enhanced SP – 22 >>> Bridgewave Navigator – 19 >>> Aviat WTM 4200 – 17.5 >>> SIAE AlfoPlus2 – 17 >>> >>> Curious if anyone is aware of an 18Ghz dual core radio capable of higher TX >>> power at 2048QAM? It’s quite difficult to license 6Ghz or 11Ghz paths in my >>> market. >>> >>> Peter Kranz >>> www.UnwiredLtd.com <http://www.unwiredltd.com/> >>> Desk: 510-868-1614 x100 >>> Mobile: 510-207-0000 >>> pkr...@unwiredltd.com <mailto:pkr...@unwiredltd.com> >>> >>> -- >>> AF mailing list >>> AF@af.afmug.com <mailto:AF@af.afmug.com> >>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>> <http://af.afmug.com/mailman/listinfo/af_af.afmug.com> >> >> -- >> AF mailing list >> AF@af.afmug.com <mailto:AF@af.afmug.com> >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> <http://af.afmug.com/mailman/listinfo/af_af.afmug.com>-- > AF mailing list > AF@af.afmug.com <mailto:AF@af.afmug.com> > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > <http://af.afmug.com/mailman/listinfo/af_af.afmug.com>
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