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Tue, 13 Aug 2024 11:32:49 -0400 (EDT) From: Jiaxun Yang Date: Tue, 13 Aug 2024 16:32:45 +0100 Subject: [PATCH] wireless-regdb: Correct regulatory rules for China (CN) Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240813-correct_cn-v1-1-26dec3cecc38@flygoat.com> X-B4-Tracking: v=1; b=H4sIAJx8u2YC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDIxMDC0Nj3eT8oqLU5JL45DxdwxSjVGODJBPDVANzJaCGgqLUtMwKsGHRsbW 1AH/FYANcAAAA To: linux-wireless@vger.kernel.org Cc: Chen-Yu Tsai , leslie_sen , Jiaxun Yang X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; a=openpgp-sha256; l=2285; i=jiaxun.yang@flygoat.com; h=from:subject:message-id; bh=7DlHDxlDY4MoD53shscyNHKMwraC0ta/6d02GQOSNpE=; b=owGbwMvMwCXmXMhTe71c8zDjabUkhrTdNQv/yhm4JTCf80yr+lp4Z5LYxnkFR7M6arde9PwSL X2g93dxRykLgxgXg6yYIkuIgFLfhsaLC64/yPoDM4eVCWQIAxenAExET4jhf+GGWQnZ7jv8XNx+ 1/85NeXfp8UP399ryp8ZIf3tlqb8+30M/9PfFbu9k8r4WW8rcHMV18GbU5cf+Wqj3ls845BYzBI fFj4A X-Developer-Key: i=jiaxun.yang@flygoat.com; a=openpgp; fpr=980379BEFEBFBF477EA04EF9C111949073FC0F67 As per "工业和信息化部关于加强和规范2400MHz、5100MHz和5800MHz频段无线电 管理有关事宜的通知" ("工信部无〔2021〕129号"), only 5250 MHz - 5350 MHz band is required to have DFS / TPC. This is slightly conflicting with is attachment "2400MHz、5100MHz 和 5800MHz 频段无线电发射设备射频技术要求", which stated that all devices working at 5100 MHz band should implement DFS/TPC. After consulting authorities, we determined that the requirement in attachment should be interpreted as DFS/TPC is only required if the device will work in DFS/TPC specified in the article. Correct regulatory rules to opt-out DFS and revert TPC power deduction for 5150 MHz - 5250 MHz. Reported-by: leslie_sen Fixes: e427ff2a592e ("wireless-regdb: Update regulatory rules for China (CN)") Signed-off-by: Jiaxun Yang --- db.txt | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) --- base-commit: 003c282a297f8cec06a576fe1434c94353d14610 change-id: 20240813-correct_cn-1d2e30b41e07 Best regards, diff --git a/db.txt b/db.txt index 788cd049ec21..9a55f6b8cc98 100644 --- a/db.txt +++ b/db.txt @@ -416,12 +416,14 @@ country CL: DFS-JP (5925 - 6425 @ 320), (12), NO-OUTDOOR # Source: +# https://wap.miit.gov.cn/zwgk/zcwj/wjfb/tz/art/2021/art_e4ae71252eab42928daf0ea620976e4e.html # https://wap.miit.gov.cn/cms_files/filemanager/1226211233/attach/20219/d125301b13454551b698ff5afa49ca28.pdf # https://www.miit.gov.cn/cms_files/filemanager/1226211233/attach/20236/d1dc19424d5a4cfe90d631adeee8dd58.pdf -# Note: The transmit power for 5150-5350MHz bands can be raised by 3dBm when TPC is implemented +# Note: The transmit power for 5250-5350MHz bands can be raised by 3dBm when TPC is implemented country CN: DFS-FCC (2400 - 2483.5 @ 40), (20) - (5150 - 5350 @ 80), (20), DFS, AUTO-BW, NO-OUTDOOR + (5150 - 5250 @ 80), (23), NO-OUTDOOR, AUTO-BW + (5250 - 5350 @ 80), (20), NO-OUTDOOR, DFS, AUTO-BW (5725 - 5850 @ 80), (33) # 60 GHz band channels 1,4: 28dBm, channels 2,3: 44dBm # ref: http://www.miit.gov.cn/n11293472/n11505629/n11506593/n11960250/n11960606/n11960700/n12330791.files/n12330790.pdf