You can combine multiple radios into one dish but the cost of circulators, hybrid combiners and filters would cost more that the extra dishes.
From: Mathew Howard Sent: Thursday, July 19, 2018 8:48 AM To: AnimalFarm Microwave Users Group Subject: Re: [AFMUG] AF11x The 1.2Gbps claim is aggregate... it's somewhat deceptive marketing, that UBNT has been doing for years. It's factually correct, but as far as I know, nobody else markets full duplex radios that way. 22% less than throughput at any giving modulations compared to competing products (with the exception of the Mimosa B11, which is much less efficient, hence the "best in class" claim), sounds about right. Realistically, the AF-11 can do somewhere around 650Mbps in each direction... and as far as I know, the only way to get anything beyond that with them, is to put up two complete links (including two sets of dishes). It would be nice if there was a way to stack multiple radios onto one dish at least, but as far as I know, there's not currently a way to do that. On Thu, Jul 19, 2018 at 9:04 AM, Adam Moffett <dmmoff...@gmail.com> wrote: So I just read up about the AF11x. I haven't been paying much attention to this product because I've been busy with other things. The datasheet claims "best spectral efficiency in class" and "1.2gbps". Various people on the forum made claims that don't match up with simple comparisons of spec sheets. Some were UBNT employees, others were just fanboys. The actual info on the spec sheets is that you get about 22% less throughput per channel at the same modulation level and same channel size as competing products. They claim huge numbers by adding multiple channels together. You also can't use a full 80mhz channel, so if I compare to a PTP820C (which actually can do 1.2gbps full duplex in XPIC), the Airfiber 11x is more like 42% less throughput. So the spec sheet is factually accurate with it's numbers, but the text narrative is clearly intended to mislead the buyer. Having just realized this, I'm a bit offended. It seems the only thing it really has going for it is being very inexpensive. Like I can get 2 AF11x's for less than one PTP820S with full speed licenses. So if I can get enough channels licensed for 2 XPIC links, then the AF11x is still compelling. And it might mean I can justify an 11ghz link for a lower volume site than I could otherwise. They didn't need to lie about it. </grumpyMode> -- AF mailing list AF@af.afmug.com http://af.afmug.com/mailman/listinfo/af_af.afmug.com -------------------------------------------------------------------------------- -- AF mailing list AF@af.afmug.com http://af.afmug.com/mailman/listinfo/af_af.afmug.com
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