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X-BeenThere: wireless-regdb@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "wireless-regdb" Errors-To: wireless-regdb-bounces+wireless-regdb=archiver.kernel.org@lists.infradead.org HKCA 1081 Issue 2 (August 2025) updated the 6 GHz WLAN specification for Hong Kong. The specification defines two device categories per ETSI EN 303 687: LPI (Low Power Indoor): 24 dBm EIRP, indoor only VLP (Very Low Power): 14 dBm EIRP, no restriction The current entry uses VLP power (14 dBm) with no indoor flag. Update to LPI with the NO-OUTDOOR flag. LPI is the appropriate choice because indoor WiFi is the primary use case for 6 GHz. The VLP limit of 14 dBm is too low for practical network operation with standard access points advertising LPI power levels, causing repeated regulatory mismatch errors. The LPI EIRP of 24 dBm includes a 1 dB uplift granted by HKCA 1081 footnote 1 over the EN 303 687 base of 23 dBm (clauses 4.3.2 and 4.3.3), with PSD increased from 10 to 11 dBm/MHz accordingly. Correct the frequency start from 5925 to 5945 MHz. HKCA 1081 clause 2.1 reserves 5925-5945 MHz as a guard band. Reference: HKCA 1081 Issue 2 (August 2025) https://www.ofca.gov.hk/filemanager/ofca/en/content_401/hkca1081.pdf Signed-off-by: Louis Kotze --- Changes since v1: - Add explicit LPI vs VLP justification in commit message per Chen-Yu Tsai review. - Drop incorrect claim that 5925 MHz start was "wrong" — clarify that the guard band reservation is per HKCA 1081 clause 2.1. - Add empty line before Signed-off-by. - Bandwidth stays at 160 MHz per EN 303 687 V1.1.1 (verified: maximum channel group is 160 MHz, 320 MHz not in this version). - Send as standalone patch rather than part of 5-patch series, since remaining patches need separate handling. v1: https://lore.kernel.org/wireless-regdb/20260411222155.299441-2-loukot@gmail.com/ db.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/db.txt b/db.txt index 343b256..778ac21 100644 --- a/db.txt +++ b/db.txt @@ -883,7 +883,7 @@ country HK: DFS-ETSI (5250 - 5330 @ 80), (20), DFS, AUTO-BW, NO-OUTDOOR (5470 - 5730 @ 160), (27), DFS (5730 - 5850 @ 80), (36) - (5925 - 6425 @ 160), (14) + (5945 - 6425 @ 160), (24), NO-OUTDOOR # Source: # https://www.conatel.gob.hn/doc/Regulacion/resoluciones/2023/NR05-23.pdf -- 2.53.0