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 <[email protected]> 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 > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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