wireless-regdb: Update regulatory rules for Hong Kong (HK) on 5GHz and 6GHz

[Chen-Yu Tsai]

On Mon, Aug 3, 2026 at 9:38 PM Morgan Wong <pbodq2 at gmail.com> wrote:
>
> Dear all,
>
> Currently:
>
> # Source:
> # https://www.ofca.gov.hk/filemanager/ofca/en/content_401/hkca1039.pdf
> (2.4 GHz and 5 GHz)
> # https://www.ofca.gov.hk/filemanager/ofca/en/content_401/hkca1081.pdf (6 GHz)
> country HK: DFS-ETSI
> (2400 - 2483.5 @ 40), (36)
> (5150 - 5250 @ 80), (23), AUTO-BW, NO-OUTDOOR
> (5250 - 5350 @ 80), (23), DFS, AUTO-BW, NO-OUTDOOR
> (5470 - 5730 @ 160), (27), DFS
> (5730 - 5850 @ 80), (36)
> (5945 - 6425 @ 160), (24), NO-OUTDOOR
>
>
>
> Update :
>
> # Source:
> # https://www.ofca.gov.hk/filemanager/ofca/en/content_401/hkca1039.pdf
> (2.4 GHz and 5 GHz)
> # https://www.ecfr.gov/current/title-47/chapter-I/subchapter-A/part-15/subpart-E
> (2.4 GHz and 5 GHz)
> # https://www.etsi.org/deliver/etsi_en/301800_301899/301893/02.00.07_20/en_301893v020007a.pdf
> (2.4 GHz and 5 GHz)
> # https://www.ofca.gov.hk/filemanager/ofca/en/content_401/hkca1081.pdf (6 GHz)
> # https://www.etsi.org/deliver/etsi_en/303600_303699/303687/01.00.00_20/en_303687v010000a.pdf
> (6GHz)
> country HK: DFS-ETSI
> (2400 - 2483.5 @ 40), (36)
> (5150 - 5250 @ 80), (23), AUTO-BW, NO-OUTDOOR
> (5250 - 5350 @ 80), (23), DFS, AUTO-BW, NO-OUTDOOR
> (5470 - 5730 @ 160), (30), DFS
> (5730 - 5850 @ 80), (36)
> (5945 - 6425 @ 320), (23), NO-OUTDOOR

Please do a proper patch or at least diff. This is hard to spot differences.
And if it's not a patch it's more work.

> Reason for change in 5470-5730 :
> The HK department, OFCA has its own requirement, 30dbm in addition to
> EITHER fulfilling FCC OR ETSI requirement. The rationale behind is
> having the biggest tolerance among major world standards to be an
> international city. The OFCA, 30dbm is the baseline value to be
> fulfilled in the highest priority.
>
> About FCC
> 27dbm (500mW) without TPC, 30dbm (1W) with TPC
> # https://www.ecfr.gov/current/title-47/part-15/subpart-E#p-15.407(h)(1)
>
> About UTSI (same as FCC)
> 27dbm (500mW) without TPC, 30dbm (1W) with TPC
> # https://www.etsi.org/deliver/etsi_en/301800_301899/301893/02.00.07_20/en_301893v020007a.pdf
> (page 17)
>
> A TPC (30dbm), 802.11h edition should be taken instead of 27dbm as I suggest.
> Or a TPC regulation flag may be a good idea to bind with 30dbm together.

There is no TPC flag, hence the limit is set at 27 dBm.

> Reason for change in  5945 - 6425 :
> The HK department, OFCA requires to have its own EIPR limit, 24dbm in
> addition to ETSI 23dbm.
> Therefore, the smaller value should be taken.
> (6GHz in HK requires no reference to FCC standards, unlike 5GHz situation)
> WIFI 7 allows 320MHz, the previous value, 160MHz was in wifi 6E era.
>
> # https://www.etsi.org/deliver/etsi_en/303600_303699/303687/01.00.00_20/en_303687v010000a.pdf
> (page 17)

You mentioned in your reply that this change is invalid.


So to summarize, I don't see any change at all.


ChenYu