Покопал я исходники. Есть там такой файл - db.txt
Для России там прописано:
country RU: DFS-ETSI
(2402 - 2482 @ 40), (20)
(5170 - 5250 @ 80), (20), AUTO-BW
(5250 - 5330 @ 80), (20), DFS, AUTO-BW
(5650 - 5730 @ 80), (30), DFS
(5735 - 5835 @ 80), (30)
# 60 GHz band channels 1-4, ref: Changes to NLA 124_Order №129_22042015.pdf
(57000 - 66000 @ 2160), (40)
А в реальности имею:
(2402 - 2482 @ 40), (N/A, 20)
(5735 - 5835 @ 20), (N/A, 30)
Смотрю например BE
country BE: DFS-ETSI
(2402 - 2482 @ 40), (20)
(5170 - 5250 @ 80), (20), AUTO-BW
(5250 - 5330 @ 80), (20), DFS, AUTO-BW
(5490 - 5710 @ 160), (27), DFS
# 60 GHz band channels 1-4, ref: Etsi En 302 567
(57000 - 66000 @ 2160), (40)
Имею:
iw reg set BL
iw reg get
country BL: DFS-UNSET
(2402 - 2482 @ 40), (N/A, 20)
(5170 - 5250 @ 40), (N/A, 18)
(5250 - 5330 @ 40), (N/A, 18), DFS
# iwlist wlan0 freq
wlan0 21 channels in total; available frequencies :
Channel 01 : 2.412 GHz
Channel 02 : 2.417 GHz
Channel 03 : 2.422 GHz
Channel 04 : 2.427 GHz
Channel 05 : 2.432 GHz
Channel 06 : 2.437 GHz
Channel 07 : 2.442 GHz
Channel 08 : 2.447 GHz
Channel 09 : 2.452 GHz
Channel 10 : 2.457 GHz
Channel 11 : 2.462 GHz
Channel 12 : 2.467 GHz
Channel 13 : 2.472 GHz
Channel 36 : 5.18 GHz
Channel 40 : 5.2 GHz
Channel 44 : 5.22 GHz
Channel 48 : 5.24 GHz
Channel 52 : 5.26 GHz
Channel 56 : 5.28 GHz
Channel 60 : 5.3 GHz
Channel 64 : 5.32 GHz
Current Frequency:5.24 GHz (Channel 48)
Что-то тут не так. Надо на досуге посмотреть. А пока можно поставить
iw reg set BL