There are several manufacturers like IF Engineering, Meca, RF Lamda, and such of quality combiner/dividers, but pretty much any RF Design group that manufactures quality hybrid stripline dividers would probably work. These are typically better than using something like a "T" to split/combine signals. What you want is something with low insertion loss and at least 20 dB of isolation between ports.
Cameron Mike wrote: > Cameron: > > Your prowess as an antenna designer is well known. Define a decent > splitter, and where one might find one. I think that solution would > be usable to a wide group on this list. > > Mike > > > At 12:05 PM 10/29/2009, you wrote: > >> That is not really an omni. It is three sectors meant to be fed with >> three different radios. That being said, and in regard to my last post, >> a back to back array with a couple of 90's fed correctly would yield a >> pretty nice "omni" pattern that you could get close to 16 dB. Two 18 dB >> sectors with a decent splitter would yield a 15 dB omni. It would just >> be pretty "big" as far as antennas go. >> >> Cameron >> >> Michael Baird wrote: >> >>> What about sectorized omni arrays, any of those out there at 5.8? >>> >>> An example would be >>> http://www.netkrom.com/prod_ant_5.1-5.8ghz_vpol_sector_omni.html >>> >>> Just can't find anybody who sells it to get an idea on pricing. >>> >>> Regards >>> Michael Baird >>> >>> >>>> You won't find a 5 GHz omni at that gain, and if you do, I'd call BS. >>>> The vertical beamwidth on an 16dB omni antenna at almost any frequency >>>> will be so flat that the antenna would be practically useless. We make a >>>> 9-10dB 5.7-5.8 H-pol omni for ourselves, but very few as we just don't >>>> use that many. If you need H-pol, hit me offlist. Otherwise, there are >>>> plenty of good 5 GHz 9 and 10 dB V-pol omni's commercially available. >>>> >>>> Cameron >>>> >>>> Michael Baird wrote: >>>> >>>> >>>> >>>>> Tom, >>>>> >>>>> This would not be serving any customers, all the locations will be at >>>>> least 100ft+. >>>>> >>>>> Regards >>>>> Michael Baird >>>>> >>>>> >>>>> >>>>> >>>>>> I'd be cautious about those Pancake shaped OMNI patterns at 16 DB. >>>>>> >>>>>> Tom DeReggi >>>>>> RapidDSL & Wireless, Inc >>>>>> IntAirNet- Fixed Wireless Broadband >>>>>> >>>>>> >>>>>> ----- Original Message ----- >>>>>> From: "Michael Baird" <[email protected]> >>>>>> To: "WISPA General List" <[email protected]> >>>>>> Sent: Wednesday, October 28, 2009 11:27 PM >>>>>> Subject: [WISPA] 5.8 Omni >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>>> I need a 5.8 Omni to feed some smaller sites via WDS, looking for some >>>>>>> recommendations was hoping for 16 db but can't seem to find any. >>>>>>> >>>>>>> Regards >>>>>>> Michael Baird >>>>>>> >>>>>>> >>>>>>> >>>>>>> >> -------------------------------------------------------------------------------- >> >>>>>>> WISPA Wants You! 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