I have tested it on multiple occasions with both ePMP and UBNT radios, and it does seem to work like they say. Whether it works better or worse or the same as keeping everything the same, I don't know, but the signal does pretty much stay the same if your rotate the antenna 45 degrees.
On Tue, Nov 22, 2016 at 5:02 PM, George Skorup <geo...@cbcast.com> wrote: > There aren't two independent transmitters in a dual stream MIMO radio, > just one. So the RF output power is divided and thus out of phase. That's > how my pea brain understands it anyway. > > > On 11/22/2016 4:49 PM, Adam Moffett wrote: > > ...I'm not saying I understand it by the way. Just saying I have no > reason to disbelieve it. If in doubt, turn your SM 45 degrees and see if > your signal changes. > > > > ------ Original Message ------ > From: "Jaime Solorza" <losguyswirel...@gmail.com> > To: "Animal Farm" <af@afmug.com> > Sent: 11/22/2016 5:45:38 PM > Subject: Re: [AFMUG] EPMP 2.4 antenna options > > > So how does the connector distinguish between these antennas and relay > information to chip set to "phase differently"? I am assuming these > antennas are passive with no smarts. > > On Nov 22, 2016 3:42 PM, "George Skorup" <geo...@cbcast.com> wrote: > > Phase. Yes, it's built into the chipset. 450 does it too. At least the > 3.65. > > > On 11/22/2016 4:34 PM, ch...@wbmfg.com wrote: > >> I think so... >> >> -----Original Message----- From: Nate Burke Sent: Tuesday, November 22, >> 2016 3:29 PM To: af@afmug.com Subject: Re: [AFMUG] EPMP 2.4 antenna >> options >> So if you were to use like a v/h UBNT antenna instead of the Dual Slant >> antenna, They both should work? Wondering what the 3x price difference >> between antennas gains you. >> >> On 11/22/2016 4:26 PM, ch...@wbmfg.com wrote: >> >>> Supposedly it makes up for the loss by using the desired signal >>> component from both antennas. >>> I remember reading the original white paper, and I remember thinking I >>> understood it for about 5 minutes or so. >>> >>> -----Original Message----- From: Nate Burke >>> Sent: Tuesday, November 22, 2016 3:24 PM >>> To: af@afmug.com >>> Subject: Re: [AFMUG] EPMP 2.4 antenna options >>> >>> So you have a Dual slant AP and a V/H SM? Isn't that just losing signal >>> for no reason? >>> >>> On 11/22/2016 4:21 PM, Adam Moffett wrote: >>> >>>> They've apparently got some electronic magic that can take the received >>>> signal on V/H and calculate what the transmitted dual slant signal was. >>>> It's been explained here, but I don't remember the details. They assert >>>> that you can mix and match safely. In fact they started out selling slant >>>> pol sector antennas and V+H SM's, so they are/were confident enough in this >>>> to make it the "default" setup. >>>> >>>> It's a feature of their 802.11n chipset, so the computation is done in >>>> hardware. >>>> >>>> >>>> ------ Original Message ------ >>>> From: "Nate Burke" <n...@blastcomm.com> >>>> To: "Animal Farm" <af@afmug.com> >>>> Sent: 11/22/2016 5:14:04 PM >>>> Subject: [AFMUG] EPMP 2.4 antenna options >>>> >>>> I'm looking at the Cambium 2.4 antenna C024900D004A, and it lists it as >>>>> being DualSlant +/-45 degrees. Does this mean that the Force 200 2.4 >>>>> radios >>>>> are also Dual Slant to talk to this antenna? I didn't find anything on >>>>> the >>>>> Force200 spec sheet talking about slant. If you use a V/H Antenna as the >>>>> AP, can you not use the Force 200 as the SM? >>>>> >>>>> >>>>> >> > > >
