That seems like a bad idea.
From: AF <af-boun...@af.afmug.com> On Behalf Of Ryan Ray Sent: Wednesday, March 27, 2019 10:09 PM To: AnimalFarm Microwave Users Group <af@af.afmug.com> Subject: Re: [AFMUG] corrective optics KPP seems to have a reflector for the 450b mid gain. I'd be interested to see what the performance is like on that. No spec numbers, no more info than that facebook post. I can't even find it on the website. https://www.facebook.com/plugins/post.php?href=https%3A%2F%2Fwww.facebook.com%2Fkpperformanceantennas%2Fposts%2F535221240337947 On Wed, Mar 27, 2019 at 7:12 PM Ken Hohhof <af...@kwisp.com <mailto:af...@kwisp.com> > wrote: In another thread, Mark Radabaugh posted: “For your next product…. Corrective optics for 450B high gain CPE!” Mark, I’m not sure if you were serious, I suspect yes. I know it’s frustrating that the antenna gain is lower than the old reflector dish, Cambium dropped the number on the spec sheet to 24 dBi, but I think even that is optimistic, I think it’s about 2 dB less than the old combo which was supposed to be 25 dBi. Lower antenna gain is going the wrong way! I don’t care if it does have higher xmt power, that does nothing for the downstream direction. In calling for corrective optics, do you have any info or even a gut feel for whether the problem is in the feed or the dish? Is it as simple as the dish is just too small? Also, is it just the gain is low, or does the 450b hi gain have other issues? Like poor F/B or sidelobe performance or something? I know the 450b mid-gain is frustrating because apparently Cambium doesn’t think a tight vertical pattern is important. I keep wondering if a top and bottom flap like on the old 2.4 Stingers would correct that. Cambium seems to be sharing antenna designs between ePMP and 450, so the same issues probably exist in the corresponding ePMP products. -- AF mailing list AF@af.afmug.com <mailto:AF@af.afmug.com> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
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