Re: [PATCH v2] wireless-regdb: recent FCC report and order allows 5850-5895 immediately

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On Wed, Jun 30, 2021 at 06:03:20PM +0200, bkil wrote:
> The new band is called U-NII-4.
> 
> The report recommends combining it with 5725-5895 to allow 160 MHz
> bandwidth, but that's technically not that easy with regdb due to the
> differing restrictions of the two parts. Marking the line for U-NII-3
> NO-OUTDOOR and PTMP-ONLY along with extending its range would be a
> possible workaround, but this needs to be discussed.
> 
> I don't see a requirement for TPC, hence reducing EIRP by 3dB is not
> needed. I've marked it 33dBm (minus 6dB for clients) to cope with 20MHz,
> but the band can support higher power, though the logic is complicated.
> 
> The upper subband (5895-5925 MHz) of the new band is reserved for ITS.
> 
> "We limit unlicensed use to indoor operations in recognition of the
> potential that ITS licensees may currently be operating"
> 
> "We also proposed that U-NII-4 devices be permitted to operate at the same
> power levels as U-NII-3 devices."
> 
> "For the U-NII-4 band, indoor access point EIRP will be limited to
> 33 dBm/20 MHz and 36 dBm/40 MHz. When combined with U-NII-3 band spectrum,
> indoor access point EIRP can scale to 36 dBm for 80 and 160 megahertz
> channels."
> 
> "Client devices would be limited to power levels 6 dB below the power
> limits for access points."
> 
> "the First Report and Order prohibit U-NII-4 client-to-client
> communications to protect co-channel incumbent ITS"
> 
> Signed-off-by: bkil <b.K.il.h.u+tigbuh@xxxxxxxxx>

Applied, thanks!

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