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From:   Dmitry Tunin <hanipouspilot@gmail.com>
Date:   Fri, 23 Aug 2019 22:08:39 +0300
Message-ID: <CANoib0F5U7suFoHdKYuqQvjB+XN5bkqzNtBd6RkUi_Rnt7_OrA@mail.gmail.com>
Subject: Re: [PATCH v2] wireless-regdb: update regulatory rules for Russia
 (RU) on 5GHz
To:     Seth Forshee <seth.forshee@canonical.com>
Cc:     wireless-regdb@lists.infradead.org,
        linux-wireless <linux-wireless@vger.kernel.org>
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=D0=BF=D1=82, 23 =D0=B0=D0=B2=D0=B3. 2019 =D0=B3. =D0=B2 22:00, Seth Forshe=
e <seth.forshee@canonical.com>:
>
> On Mon, Jul 29, 2019 at 10:07:26PM +0300, Dmitry Tunin wrote:
> > Russian entry is incorrect. According to the last regulations document =
of Feb 29, 2016,
> > 160 MHz channels and 802.11ad are allowed.
> >
> > http://rfs-rf.ru/upload/medialibrary/c1a/prilozhenie-1-k-resheniyu-gkrc=
h-_-16_36_03.pdf
> >
> > Note that there was never a DFS requirement in Russia, but always was
> > NO-OUTDOOR on 5GHz.
> > Maximum power is 200mW that is ~23dBm on all 5GHz channels.
> > Also Russia has never been regulated by ETSI.
> >
> > Signed-off-by: Dmitry Tunin <hanipouspilot@gmail.com>
> > ---
> >  db.txt | 10 ++++------
> >  1 file changed, 4 insertions(+), 6 deletions(-)
> >
> > diff --git a/db.txt b/db.txt
> > index 37393e6..d95ed5e 100644
> > --- a/db.txt
> > +++ b/db.txt
> > @@ -1097,14 +1097,12 @@ country RS: DFS-ETSI
> >       # 60 GHz band channels 1-4, ref: Etsi En 302 567
> >       (57000 - 66000 @ 2160), (40)
> >
> > -country RU: DFS-ETSI
> > +country RU:
> >       (2402 - 2482 @ 40), (20)
> > -     (5170 - 5250 @ 80), (20), AUTO-BW
> > -     (5250 - 5330 @ 80), (20), DFS, AUTO-BW
> > -     (5650 - 5730 @ 80), (30), DFS
> > -     (5735 - 5835 @ 80), (30)
> > +     (5170 - 5350 @ 160), (23), NO-OUTDOOR
> > +     (5650 - 5850 @ 160), (23), NO-OUTDOOR
>
> Based on the translation I've read of the document you've linked to as
> well as a couple of others, it sounds like the use of these ranges
> requires TPC. Since TPC is not supported in Linux, we need to reduce the
> max EIRP for these ranges to 20 dBm.
>
> While modifying them, let's also update the 5170-5350 range to 5150-5350
> to match the regulations.


It is not very clearly stated, but I agree that it looks like TPC.
Where is it stated that we need 20 dBm on these ranges if they require
TPC?
Unfortunately I don't have devices with OEM software certified in
Russia to see what is the limit.