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([2804:d51:4975:7202:7e03:331b:6be0:eea6]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-237d860a36dsm153819385ad.126.2025.06.26.02.56.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 26 Jun 2025 02:56:08 -0700 (PDT) Message-ID: <46ab2a6b-82ff-4330-819e-99a67280409a@gmail.com> Date: Thu, 26 Jun 2025 06:56:05 -0300 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: wireless-regdb: Update regulatory rules for Brazil (BR) on 6GHz Content-Language: en-US To: wens@kernel.org Cc: linux-wireless@vger.kernel.org, wireless-regdb@lists.infradead.org References: <8bc290d6-5687-495d-b5d5-a8ca94cf2f7a@gmail.com> From: Marcos Alano In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 26/06/2025 06:23, Chen-Yu Tsai wrote: > Hi, > > On Thu, Jun 26, 2025 at 4:37 PM Marcos Alano wrote: >> >> On 26/06/2025 05:15, Chen-Yu Tsai wrote: >>> On Mon, Jun 2, 2025 at 9:23 AM Marcos Alano wrote: >>>> >>>> Hi, >>>> >>>> The rules for Brazil were based on this normative >>>> https://informacoes.anatel.gov.br/legislacao/resolucoes/2017/936-resolucao-680, >>>> as mentioned in the comments of the entry. >>>> >>>> This January came out a newer normative >>>> https://informacoes.anatel.gov.br/legislacao/resolucoes/2025/2001-resolucao-772, >>>> >>>> It allows 6GHz frequencies, so the line: >>>> (5925 - 7125 @ 320), (12), NO-OUTDOOR, NO-IR >>>> Should change for, at least: >>>> (5925 - 7125 @ 320), (12), NO-OUTDOOR >>>> The removal of NO-IR is important, since routers Wi-Fi 6E and 7 don't >>>> work because of this outdated rule based on an outdated normative. >>> >>> Those are very large documents. Could you help point out which sections >>> or comments apply to your argument? >> >> https://informacoes.anatel.gov.br/legislacao/atos-de-requisitos-tecnicos-de-gestao-do-espectro/2024/1920-ato-915: >> in the items IX.4 and IX.5 mentions the 6GHz frequency. > > This only covers point-to-point usage. You would need to modify the rules > and add the PTP flag. Likely not what you actually want. > >> https://informacoes.anatel.gov.br/legislacao/resolucoes/2025/2001-resolucao-772: >> You can search for "5925-6700" to check how the allocation is done. >> It mentions satellites, so that's why I set indoors, but maybe you >> understand that is not necessary. > > This only gives the band allocation, not the requirements for each use. > Also, satellite communication is a different use category. We should look > for WiFi or RLAN, or perhaps "comunicação multimídia". > > The requirements I were able to find are: > > https://informacoes.anatel.gov.br/legislacao/atos-de-certificacao-de-produtos/2021/1510-ato-1306 > > ChenYu I created a v3 patch that updates the comments with the new normative you found, removes the NO-IR so a AP can work correctly, and changed the maximum power from 12 to 27, since for APs it seems to mention 30dBm, but I considered TPC like the other frequencies. > >> Marcos. >> >> >>> >>> Thanks >>> ChenYu >>> >>>> I'm no lawyer, so please if you see something different, like more >>>> granular control in the allowed frequencies, please let us know. >>>> >>>> Thanks, >>>> -- >>>> Marcos Alano >>>> >>>> >> >> -- >> Marcos Alano >> -- Marcos Alano