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Date:   Tue, 29 Oct 2019 09:55:40 -0500
From:   Seth Forshee <seth.forshee@canonical.com>
To:     Olli Niemikorpi <mr.oole@gmail.com>
Cc:     wireless-regdb@lists.infradead.org, linux-wireless@vger.kernel.org
Subject: Re: Wireless-regdb: Update regulatory rules for Finland (FI) on 5GHz
Message-ID: <20191029145540.GS30813@ubuntu-xps13>
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On Mon, Sep 16, 2019 at 12:35:16AM +0300, Olli Niemikorpi wrote:
> Hi,
> 
> Based on https://w.wol.ph/2015/08/28/maximum-wifi-transmission-power-country/
> , maximum output power for 5Ghz is 30 dBm from channel 100 and above.
> However, only 27 dBm is maximum in wireless-regdb. Could you please
> fix it?

Transmit power control (TPC) is required in this band, see [1]. Since
Linux does not implement TPC, the maximum EIRP must be reduced by 3 dBm,
so the value in the database is correct.

Thanks,
Seth

[1] https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02005D0513-20070213