Which is why Ku band satellite stuff for two way VSAT terminals/earth stations has been direct from feed to waveguide for a while now... You need high quality low loss cable and special N connectors for 11 GHz.
On Tue, Jun 7, 2016 at 9:28 PM, Ken Hohhof <[email protected]> wrote: > Interesting that if I try to use the Times Microwave calculator for LMR > cables at 11 GHz, it gives an error that the cable is not suitable for that > frequency. Apparently they consider the max to be 6 GHz. > > > *From:* George Skorup <[email protected]> > *Sent:* Tuesday, June 07, 2016 10:07 PM > *To:* [email protected] > *Subject:* Re: [AFMUG] Convert Andrew Dragonwave dishes to N > > The coaxial on an 11GHz radio makes no sense to me. Everybody else > (mostly?) is waveguide. Different is not always good, even if it's cheaper. > "Because what f'n antenna am I supposed to use!?" says the entire list. > > They might have been better off with a proprietary slip-fit antenna and/or > interface. Or perhaps two models like the Integra & Integra-S. > > On 6/7/2016 8:57 PM, Ken Hohhof wrote: > > Several radio manufacturers used to OEM the Remec ODUs, and there are > Remec circular and rectangular slip fit interfaces. Dragonwave, Ceragon, > SAF and Exalt have their own, as I assume do several others I have no > experience with. Then there’s Jirous, which Mimosa has teamed up with. > > Antenna vendors like Commscope and Radiowaves have models with feedtubes > for several of the common radio manufacturers. The (now defunct?) > McCownTech Optics dishes had interchangeable feedtubes, including one for 5 > GHz so you could upgrade from unlicensed to licensed. > > > *From:* Brian Sullivan <[email protected]> > *Sent:* Tuesday, June 07, 2016 8:41 PM > *To:* [email protected] > *Subject:* Re: [AFMUG] Convert Andrew Dragonwave dishes to N > > What are the other attachment setups for licensed radios? I only have > experience with the Dragonwave flavor. > I have heard mention of an adapter to convert DWave to Cambium 820. > > On 6/7/2016 8:18 PM, Jason McKemie wrote: > > It would be nice to have one that fit Andrew / Commscope more directly > though, as opposed to the dragonwave adapter. > > On Tuesday, June 7, 2016, Chuck McCown < <[email protected]>[email protected]> > wrote: > >> Sure can. I would recommend SMA connectors though I think. >> What does the radio have on it? >> >> *From:* Brian Sullivan >> *Sent:* Tuesday, June 07, 2016 2:14 PM >> *To:* javascript:_e(%7B%7D,'cvml','[email protected]'); >> *Subject:* Re: [AFMUG] Convert Andrew Dragonwave dishes to N >> >> So I assume there is no adapter available based on the crickets i've >> heard from a few places. >> >> Paging Chuck McCown- If we wanted 20 or 30 of these could you make up a >> batch? I assume there would be others who would end up wanting them too. >> >> On 6/7/2016 11:47 AM, Eric Kuhnke wrote: >> >> If the dish's feed waveguide is cylindrical, yes you can use dual >> polarity with it. The question is having the right adapter, which it sounds >> like Chuck will build. >> >> On Tue, Jun 7, 2016 at 8:07 AM, Brian Sullivan <[email protected] >> > wrote: >> >>> UBNT is about to release their 11 Ghz radios to the market. I imagine >>> some operators like us may want to upgrade existing 11 GHz links to the >>> UBNT radio to gain more capacity. >>> Our licensed links are Dragonwave Horizon Compact and we use the Andrew >>> VHLP2-11-DW1 in the majority of links. Is there an adapter that will >>> convert these dishes to N connections? These dishes also allow us to >>> rotate the radio to take advantage of Horizontal or Vertical polarities as >>> our license dictates. Can they be run in dual polarity? Ideally, the >>> adapter would have 2 N connections, one for H + V. Here is a photo of the >>> Dragonwave interface. >>> >>> >>> >>> >> >> >> > >
