Yeah, 5ghz wasn't that common in consumer devices before the changes
anyway, so pretty much everything should support UNII-1 just fine. I've
noticed a lot of routers default to 5180mhz.

On Thu, Jul 4, 2019 at 8:57 AM Ken Hohhof <[email protected]> wrote:

> If we set a customer’s router to use the U-NII-1 sub-band (for example
> 5180 MHz Ceee), are there going to be devices that can’t connect?
>
>
>
> I think U-NII-1 was always allowed by FCC, so it seems all devices should
> support it.  The change around 5 years ago was to allow higher xmt power or
> antenna gain or something?
>
>
>
> And will there be a performance penalty compared to U-NII-3?  I know
> that’s not a simple question due to OOB emissions requirements and depends
> on hardware, but in general, will the performance be similar?  For example,
> on a Mikrotik hAP ac or 4011?  Not that Mikrotik is the poster boy for FCC
> 5 GHz support.
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