While checking the regulatory rules reported by "iw reg get" after setting my country code, I see that certain channels in the 5 GHz band are not allowed to be used if the equipment is outdoors in the UK (country code GB):
:/tmp# iw reg get
global
country GB: DFS-ETSI
(2400 - 2483 @ 40), (N/A, 20), (N/A)
(5150 - 5250 @ 80), (N/A, 23), (N/A), NO-OUTDOOR, AUTO-BW
(5250 - 5350 @ 80), (N/A, 20), (0 ms), NO-OUTDOOR, DFS, AUTO-BW
(5470 - 5730 @ 160), (N/A, 26), (0 ms), DFS
(5725 - 5850 @ 80), (N/A, 23), (N/A), NO-OUTDOOR
(5925 - 6425 @ 160), (N/A, 23), (N/A), NO-OUTDOOR
(57000 - 71000 @ 2160), (N/A, 40), (N/A)
I'm left wondering whether there is any configuration (e.g. in hostapd's configuration file) to tell the device whether it is indoors or outdoors and so whether it allowed to use these restricted channels?
In particular, Automatic Channel Selection might need to know whether the equipment is indoors or outdoors.
Asked by srl100
(23 rep)
Aug 11, 2025, 03:17 PM