According to Google AI, the airfiber 5xHd was released in 2018 and the first LTU ptmp radios in early 2020.
On Sun, Sep 20, 2026, 10:17 PM Ken Hohhof <[email protected]> wrote: > FWIW, Gary Schulz's LinkedIn profile says VP Engineering Aug 2010 - Aug > 2020. Nothing after that. How does that line up with LTU release? > > Exactly 10 years. What's the significance? Stock option vesting? Bought an > island and retired? > > > On September 20, 2026 7:58:55 PM CDT, Mathew Howard <[email protected]> > wrote: > >> Yeah, they did develop a custom chip (ASIC, if I remember correctly) for >> the LTU radios. The airfiber 5xHD PTP radio was the first product using it. >> They're decent radios, but never quite lived up to the hype. I think they >> original airfiber 5x would have performed better in most cases, except that >> the HD supported up to 100mhz channels instead of only 50mhz. I never used >> the PtMP version, but it seemed pretty mediocre from what I saw. As far as >> I know, they're still in production, but they don't really seem to be doing >> any development anymore. >> >> I'm not sure how involved the old Canopy team was with that project, or >> if they were even still there at that point. >> >> >> On Sun, Sep 20, 2026, 7:16 PM Ken Hohhof <[email protected]> wrote: >> >>> Didn’t Ubiquiti go the route of developing a custom chip at the Chicago >>> R&D center (the old Canopy crew) for the later airFiber models? And was >>> this same silicon used for their LTU line of PMP radios? I never used LTU, >>> is it still an active product? Sounds like it’s being phased out. >>> >>> >>> >>> It would seem that’s the tradeoff for cost reducing something like >>> PMP450, turning the FPGA into customer silicon. But you lose the ability >>> to change that part of the design, you can still change the firmware. >>> >>> >>> >>> I feel like the companies like Analog Devices and Altera have continued >>> to advance the functionality in their programmable chips aimed at the >>> Software Defined Radio market. Probably driven by SDR applications like 5G >>> cellular and maybe satellite and military. I think when I glanced at an >>> FCC report for a Tarana radio they were using silicon like that, but they >>> may also have their own custom chips for some functions. And I feel like >>> today’s 450i, 450m and 450b radios have much more capable programmable >>> silicon than Canopy or the original 430 and 450 radios. >>> >>> >>> >>> *From:* AF <[email protected]> *On Behalf Of *Mathew Howard >>> *Sent:* Sunday, September 20, 2026 4:26 PM >>> *To:* AnimalFarm Microwave Users Group <[email protected]> >>> *Subject:* Re: [AFMUG] RIP Cambium Networks? >>> >>> >>> >>> At the time, it probably wasn't possible to hit the price point they >>> needed to with 450. I'm sure the FPGA and whatever else needs to go into a >>> 450 costs a lot more than the SOC in an ePMP. >>> >>> >>> >>> At this point, from my perspective anyway, ePMP seems positioned a lot >>> better for the future than 450. >>> >>> >>> >>> On Sun, Sep 20, 2026, 3:18 PM [email protected] <[email protected]> wrote: >>> >>> I never understood why they invented the ePMP in the first place. If >>> they wanted a lower cost product just spin a lower cost version of the >>> 450. >>> >>> >>> >>> >>> >>> >>> >>> >>> ------------------------------ >>> >>> *From:* AF <[email protected]> on behalf of Ken Hohhof < >>> [email protected]> >>> *Sent:* Sunday, September 20, 2026 1:40 PM >>> *To:* 'AnimalFarm Microwave Users Group' <[email protected]> >>> *Subject:* Re: [AFMUG] RIP Cambium Networks? >>> >>> >>> >>> If true (and probably is), I don’t understand why buy the PMP450 >>> business and not also pick up ePMP if it can be done for $4-$5 million. >>> >>> >>> >>> ePMP does not strike me as low margin product that loses money. And if >>> someone else buys it, that could be a competitor and you could regret it. >>> Better to buy it and figure out how to migrate the customers to 450 if you >>> want to shut it down. You could also avoid some complexity selling off >>> cloud based systems like cnMaestro that support both products. >>> >>> >>> >>> I figured if the buyer is Airspan they might consider ePMP redundant >>> with Mimosa, but it looks like they no longer own Mimosa? I had low >>> confidence in the EVO plan, but even if you give up on the converged >>> platform, for that little money some companies would buy ePMP just to shut >>> it down and eliminate a competitor. (Larry Ellison would do it. Google or >>> Amazon would do it.) Maybe do the shutdown gracefully so as not to piss >>> off PMP450 customers any more than has already been done. Because some >>> WISPs use both products. Mine is basically a PMP450 shop but I’ve got some >>> Force 300 at customer prem and Force 425 backhauls. >>> >>> >>> >>> Maybe it’s something crazy like when Airspan sold Mimosa they agreed not >>> to have any future WiFi chip based products and therefore they are legally >>> prohibited from buying ePMP. That’s pretty far fetched. >>> >>> >>> >>> Or maybe they don’t want the products or the customers, they want the >>> design team for new projects. I find it interesting to peruse LinkedIn and >>> try to figure out where Tarana hired all their R&D people. Or look at what >>> Ubiquiti did when they hired most of the Canopy engineers to staff their >>> airFiber design center. They managed to do it without buying the company >>> though. >>> >>> >>> >>> *From:* AF <[email protected]> *On Behalf Of *Tyson Burris >>> *Sent:* Friday, September 18, 2026 2:25 PM >>> *To:* AnimalFarm Microwave Users Group <[email protected]> >>> *Subject:* Re: [AFMUG] RIP Cambium Networks? >>> >>> >>> >>> I have no direct knowledge of any of this, but I have now had several >>> people openly tell me the following: >>> >>> The PMP 450 product line is supposedly being purchased by Airspan, which >>> itself previously went through bankruptcy and later became a privately held >>> company. >>> >>> I have also heard that the ePMP business was being shopped for somewhere >>> in the $4-$5 million range. >>> >>> None of this really makes sense to me. Cambium was still doing roughly >>> $35-$45 million in sales per quarter. It seems like deeper workforce >>> reductions and the discontinuation of underperforming product lines should >>> have happened much earlier rather than allowing the situation to >>> deteriorate to this point. >>> >>> There is a lot of head-scratching over the whole situation because, from >>> the outside, U.S. sales still appear to be largely intact. While the stock >>> itself is delisted and on the non-filer expert market, it is still trading >>> though worthless. >>> >>> *Tyson Burris* >>> *President & CEO* >>> >>> >>> >>> Internet Communications Inc (ICI) >>> >>> 739 Commerce Dr. Franklin, IN 46131 >>> <https://www.google.com/maps/search/739+Commerce+Dr.+Franklin,+IN+46131?entry=gmail&source=g> >>> >>> >>> >>> >>> [image: Mobile mobile-icon]317-412-1540 (emergency/after-hours) >>> [image: phone phone-icon]317-738-0320 (office) >>> [image: Email email-icon] [email protected] >>> [image: website website-icon] www.surfici.net >>> >>> >>> >>> >>> >>> *Fixed Wireless & Fiber Broadband Solutions* >>> *PtP / PtMP • Indoor & Outdoor Wi-Fi • IP Cameras • MDUs* >>> >>> *Member: WISPA.ORG <http://WISPA.ORG> | NBBC.COOP <http://NBBC.COOP>* >>> ------------------------------ >>> >>> >>> *Confidentiality NoticeThis email and any attachments may contain >>> confidential or proprietary information intended solely for the use of the >>> individual or entity to whom it is addressed. If you are not the intended >>> recipient, please notify the sender immediately and delete this message. >>> Any unauthorized review, use, disclosure, or distribution is prohibited.* >>> >>> >>> *No Binding AgreementThis email does not constitute a binding agreement >>> or contract unless it expressly states otherwise and refers to a written >>> agreement executed by authorized representatives of all parties. Any views >>> or opinions expressed are those of the sender and do not necessarily >>> reflect those of the company.* >>> >>> >>> >>> *From:* AF <[email protected]> *On Behalf Of *Ken Hohhof >>> *Sent:* Friday, September 18, 2026 3:15 PM >>> *To:* 'AnimalFarm Microwave Users Group' <[email protected]> >>> *Subject:* Re: [AFMUG] RIP Cambium Networks? >>> >>> >>> >>> It’s a challenge trying to decipher the communication and activity or >>> lack thereof from Cambium. Like they just did an ePMP firmware release, >>> although maybe just to move it from RC to release status. Support is still >>> available and guidance is being issued on transitioning to cnMaestro >>> onprem. Very quiet regarding PMP. >>> >>> >>> >>> If I had to take a guess, I’d say all this indicates (1) they have a >>> buyer lined up for PMP, (2) they are trying to find a buyer for ePMP and >>> have some hopes that can be accomplished, and (3) the Enterprise stuff is >>> being flushed. (anybody remember “getting flushed” from Men In Black?) If >>> that’s true, it would be the exact reverse of what I would have expected, I >>> would have expected the new switching and WiFi stuff to be hot, ePMP to be >>> warm, and legacy 450 to get flushed. >>> >>> >>> >>> I echo what Dev says about the people there. Obviously at the top >>> levels, mistakes were made (to quote Ronald Reagan). Somebody dropped the >>> ball either on financial or M&A management or both. Chuck will recognize >>> the acronym CFIT. >>> >>> >>> >>> But all the individuals we deal with are as Dev said, solid folks. My >>> network is 450 with a smattering of ePMP and licensed PTP, so I mostly know >>> people on the PMP side. The head of PMP Product Management is Matt >>> Mangriotis, and I hope he stays or if not that he lands somewhere good. >>> Maybe because I spent 20 years around 1980-2000 in telecom equipment >>> engineering management, so I might have an old fashioned concept of what a >>> Product Manager does, but Matt is very professional and well qualified, and >>> has always responded quickly and rolled up his sleeves to solve problems. >>> I’ve talked to him at trade shows, and never felt I was getting hype or >>> spin. Yes, 450 had some questionable product direction decision over the >>> years that didn’t work out so well or that I disagreed with, not sure who >>> to blame for those. But Matt as well as all the support people I’ve dealt >>> with are indeed solid folks. >>> >>> >>> >>> Unfortunately there’s no way this adventure doesn’t negatively impact >>> whatever remains of Cambium, or that some good people don’t end up leaving >>> because of the uncertainty. It’s always the best people who can easily >>> find a job elsewhere. Customers and distributors may also avoid them, even >>> under new ownership. I don’t know about creditors especially supply chain >>> companies, I’m guessing they get burned by bankruptcies all the time. >>> >>> >>> >>> *From:* AF <[email protected]> *On Behalf Of *Dev >>> *Sent:* Thursday, September 17, 2026 1:22 PM >>> *To:* AnimalFarm Microwave Users Group <[email protected]> >>> *Subject:* Re: [AFMUG] RIP Cambium Networks? >>> >>> >>> >>> I’m sure the remaining employees at Cambium are also waiting for a >>> resolution anxiously. I’ve always had good relations with them as >>> individuals and they seem like solid folks. We should wish them well and >>> assume they’re trying to help. >>> >>> >>> >>> The corporate dynamics very likely have hard constraints placed upon >>> them by other parties that they have to sort though, which will take time. >>> I’m sure that they want to retain maximum value through this (regardless of >>> where things land), which involves engaging customers and others as soon as >>> they possibly can. This will take time, like days and weeks, not hours. >>> >>> >>> >>> On 17 Sep 2026, at 8:30 AM, Ken Hohhof <[email protected]> wrote: >>> >>> >>> >>> There are other odd things as well. Like moving PMP production from >>> Mexico to Thailand, not clear why, and it wasn’t handled well. Were they >>> on credit hold with Flextronics? >>> >>> >>> >>> >>> >>> -- >>> 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 >
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