I love an antenna project. My problem is that I don’t use the product so I don’t have any hardware to test and play with.
Sent from my iPhone > On Mar 27, 2019, at 8:11 PM, Ken Hohhof <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 > http://af.afmug.com/mailman/listinfo/af_af.afmug.com
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