Looks like you may be right. I'll see if the seller has anything updated.
root@OpenWrt:~# iw reg get
global
country JP: DFS-JP
(2402 - 2482 @ 40), (N/A, 20), (N/A)
(2474 - 2494 @ 20), (N/A, 20), (N/A), NO-OFDM
(4910 - 4990 @ 40), (N/A, 23), (N/A)
(5170 - 5250 @ 80), (N/A, 20), (N/A), AUTO-BW
(5250 - 5330 @ 80), (N/A, 20), (0 ms), DFS, AUTO-BW
(5490 - 5730 @ 160), (N/A, 23), (0 ms), DFS
(5925 - 6425 @ 320), (N/A, 23), (N/A), NO-OUTDOOR
(57000 - 66000 @ 2160), (N/A, 10), (N/A)
phy#1 (self-managed)
country JP: DFS-JP
(2402 - 2472 @ 40), (N/A, 23), (N/A)
(5170 - 5250 @ 80), (N/A, 23), (N/A), NO-OUTDOOR, AUTO-BW
(5250 - 5330 @ 80), (N/A, 23), (0 ms), NO-OUTDOOR, DFS, AUTO-BW
(5490 - 5730 @ 160), (N/A, 23), (0 ms), DFS, AUTO-BW
phy#0 (self-managed)
country JP: DFS-JP
(2402 - 2472 @ 40), (N/A, 23), (N/A)
(5170 - 5250 @ 80), (N/A, 23), (N/A), NO-OUTDOOR, AUTO-BW
(5250 - 5330 @ 80), (N/A, 23), (0 ms), NO-OUTDOOR, DFS, AUTO-BW
(5490 - 5730 @ 160), (N/A, 23), (0 ms), DFS, AUTO-BW
root@OpenWrt:~# iw phy phy1 channels
Band 2:
* 5180 MHz [36]
Maximum TX power: 23.0 dBm
Channel widths: 20MHz HT40+ VHT80
* 5200 MHz [40]
Maximum TX power: 23.0 dBm
Channel widths: 20MHz HT40- HT40+ VHT80
* 5220 MHz [44]
Maximum TX power: 23.0 dBm
Channel widths: 20MHz HT40- HT40+ VHT80
* 5240 MHz [48]
Maximum TX power: 23.0 dBm
Channel widths: 20MHz HT40- HT40+ VHT80
* 5260 MHz [52]
Maximum TX power: 23.0 dBm
Radar detection
Channel widths: 20MHz HT40- HT40+ VHT80
DFS state: usable (for 13 sec)
DFS CAC time: 60000 ms
* 5280 MHz [56]
Maximum TX power: 23.0 dBm
Radar detection
Channel widths: 20MHz HT40- HT40+ VHT80
DFS state: usable (for 13 sec)
DFS CAC time: 60000 ms
* 5300 MHz [60]
Maximum TX power: 23.0 dBm
Radar detection
Channel widths: 20MHz HT40- HT40+ VHT80
DFS state: usable (for 13 sec)
DFS CAC time: 60000 ms
* 5320 MHz [64]
Maximum TX power: 23.0 dBm
Radar detection
Channel widths: 20MHz HT40- VHT80
DFS state: usable (for 13 sec)
DFS CAC time: 60000 ms
* 5500 MHz [100] (disabled)
* 5520 MHz [104] (disabled)
* 5540 MHz [108] (disabled)
* 5560 MHz [112] (disabled)
* 5580 MHz [116] (disabled)
* 5600 MHz [120] (disabled)
* 5620 MHz [124] (disabled)
* 5640 MHz [128] (disabled)
* 5660 MHz [132] (disabled)
* 5680 MHz [136] (disabled)
* 5700 MHz [140] (disabled)
* 5720 MHz [144] (disabled)
* 5745 MHz [149] (disabled)
* 5765 MHz [153] (disabled)
* 5785 MHz [157] (disabled)
* 5805 MHz [161] (disabled)
* 5825 MHz [165] (disabled)
* 5845 MHz [169] (disabled)
* 5865 MHz [173] (disabled)
root@OpenWrt:~# iw reg set PA
root@OpenWrt:~# iw reg get
global
country PA: DFS-FCC
(2400 - 2483 @ 40), (N/A, 36), (N/A)
(5150 - 5250 @ 80), (N/A, 36), (N/A), AUTO-BW
(5250 - 5350 @ 80), (N/A, 30), (N/A), AUTO-BW
(5470 - 5725 @ 160), (N/A, 30), (N/A)
(5725 - 5850 @ 80), (N/A, 36), (N/A)
(57000 - 64000 @ 2160), (N/A, 43), (N/A)
phy#1 (self-managed)
country PA: DFS-UNSET
(2402 - 2472 @ 40), (6, 30), (N/A)
(5170 - 5250 @ 80), (N/A, 30), (N/A), AUTO-BW
(5250 - 5330 @ 80), (N/A, 24), (0 ms), DFS, AUTO-BW
(5490 - 5730 @ 240), (N/A, 24), (0 ms), DFS, AUTO-BW
(5735 - 5835 @ 80), (N/A, 30), (N/A), AUTO-BW
phy#0 (self-managed)
country PA: DFS-UNSET
(2402 - 2472 @ 40), (6, 30), (N/A)
(5170 - 5250 @ 80), (N/A, 30), (N/A), AUTO-BW
(5250 - 5330 @ 80), (N/A, 24), (0 ms), DFS, AUTO-BW
(5490 - 5730 @ 240), (N/A, 24), (0 ms), DFS, AUTO-BW
(5735 - 5835 @ 80), (N/A, 30), (N/A), AUTO-BW
root@OpenWrt:~# iw phy phy1 channels
Band 2:
* 5180 MHz [36]
Maximum TX power: 30.0 dBm
Channel widths: 20MHz HT40+ VHT80
* 5200 MHz [40]
Maximum TX power: 30.0 dBm
Channel widths: 20MHz HT40- HT40+ VHT80
* 5220 MHz [44]
Maximum TX power: 30.0 dBm
Channel widths: 20MHz HT40- HT40+ VHT80
* 5240 MHz [48]
Maximum TX power: 30.0 dBm
Channel widths: 20MHz HT40- HT40+ VHT80
* 5260 MHz [52]
Maximum TX power: 24.0 dBm
Radar detection
Channel widths: 20MHz HT40- HT40+ VHT80
DFS state: usable (for 13 sec)
DFS CAC time: 60000 ms
* 5280 MHz [56]
Maximum TX power: 24.0 dBm
Radar detection
Channel widths: 20MHz HT40- HT40+ VHT80
DFS state: usable (for 13 sec)
DFS CAC time: 60000 ms
* 5300 MHz [60]
Maximum TX power: 24.0 dBm
Radar detection
Channel widths: 20MHz HT40- HT40+ VHT80
DFS state: usable (for 13 sec)
DFS CAC time: 60000 ms
* 5320 MHz [64]
Maximum TX power: 24.0 dBm
Radar detection
Channel widths: 20MHz HT40- VHT80
DFS state: usable (for 13 sec)
DFS CAC time: 60000 ms
* 5500 MHz [100] (disabled)
* 5520 MHz [104] (disabled)
* 5540 MHz [108] (disabled)
* 5560 MHz [112] (disabled)
* 5580 MHz [116] (disabled)
* 5600 MHz [120] (disabled)
* 5620 MHz [124] (disabled)
* 5640 MHz [128] (disabled)
* 5660 MHz [132] (disabled)
* 5680 MHz [136] (disabled)
* 5700 MHz [140] (disabled)
* 5720 MHz [144] (disabled)
* 5745 MHz [149] (disabled)
* 5765 MHz [153] (disabled)
* 5785 MHz [157] (disabled)
* 5805 MHz [161] (disabled)
* 5825 MHz [165] (disabled)
* 5845 MHz [169] (disabled)
* 5865 MHz [173] (disabled)
root@OpenWrt:~# iw reg set CN
root@OpenWrt:~# iw reg get
global
country CN: DFS-FCC
(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
(5725 - 5850 @ 80), (N/A, 33), (N/A)
(57240 - 59400 @ 2160), (N/A, 28), (N/A)
(59400 - 63720 @ 2160), (N/A, 44), (N/A)
(63720 - 65880 @ 2160), (N/A, 28), (N/A)
phy#1 (self-managed)
country CN: DFS-FCC
(2402 - 2472 @ 40), (N/A, 20), (N/A)
(5170 - 5250 @ 80), (N/A, 23), (N/A), NO-OUTDOOR, AUTO-BW
(5250 - 5330 @ 80), (N/A, 23), (0 ms), NO-OUTDOOR, DFS, AUTO-BW
(5735 - 5835 @ 80), (N/A, 30), (N/A), AUTO-BW
phy#0 (self-managed)
country CN: DFS-FCC
(2402 - 2472 @ 40), (N/A, 20), (N/A)
(5170 - 5250 @ 80), (N/A, 23), (N/A), NO-OUTDOOR, AUTO-BW
(5250 - 5330 @ 80), (N/A, 23), (0 ms), NO-OUTDOOR, DFS, AUTO-BW
(5735 - 5835 @ 80), (N/A, 30), (N/A), AUTO-BW
root@OpenWrt:~# iw phy phy1 channels
Band 2:
* 5180 MHz [36]
Maximum TX power: 23.0 dBm
Channel widths: 20MHz HT40+ VHT80
* 5200 MHz [40]
Maximum TX power: 23.0 dBm
Channel widths: 20MHz HT40- HT40+ VHT80
* 5220 MHz [44]
Maximum TX power: 23.0 dBm
Channel widths: 20MHz HT40- HT40+ VHT80
* 5240 MHz [48]
Maximum TX power: 23.0 dBm
Channel widths: 20MHz HT40- HT40+ VHT80
* 5260 MHz [52]
Maximum TX power: 23.0 dBm
Radar detection
Channel widths: 20MHz HT40- HT40+ VHT80
DFS state: usable (for 9 sec)
DFS CAC time: 60000 ms
* 5280 MHz [56]
Maximum TX power: 23.0 dBm
Radar detection
Channel widths: 20MHz HT40- HT40+ VHT80
DFS state: usable (for 9 sec)
DFS CAC time: 60000 ms
* 5300 MHz [60]
Maximum TX power: 23.0 dBm
Radar detection
Channel widths: 20MHz HT40- HT40+ VHT80
DFS state: usable (for 9 sec)
DFS CAC time: 60000 ms
* 5320 MHz [64]
Maximum TX power: 23.0 dBm
Radar detection
Channel widths: 20MHz HT40- VHT80
DFS state: usable (for 9 sec)
DFS CAC time: 60000 ms
* 5500 MHz [100] (disabled)
* 5520 MHz [104] (disabled)
* 5540 MHz [108] (disabled)
* 5560 MHz [112] (disabled)
* 5580 MHz [116] (disabled)
* 5600 MHz [120] (disabled)
* 5620 MHz [124] (disabled)
* 5640 MHz [128] (disabled)
* 5660 MHz [132] (disabled)
* 5680 MHz [136] (disabled)
* 5700 MHz [140] (disabled)
* 5720 MHz [144] (disabled)
* 5745 MHz [149] (disabled)
* 5765 MHz [153] (disabled)
* 5785 MHz [157] (disabled)
* 5805 MHz [161] (disabled)
* 5825 MHz [165] (disabled)
* 5845 MHz [169] (disabled)
* 5865 MHz [173] (disabled)
root@OpenWrt:~# iw reg set BE
root@OpenWrt:~# iw reg get
global
country BE: 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 - 5725 @ 160), (N/A, 26), (0 ms), DFS
(5725 - 5875 @ 80), (N/A, 13), (N/A)
(5945 - 6425 @ 160), (N/A, 23), (N/A), NO-OUTDOOR
(57000 - 66000 @ 2160), (N/A, 40), (N/A)
phy#1 (self-managed)
country BE: DFS-ETSI
(2402 - 2472 @ 40), (N/A, 20), (N/A)
(5170 - 5250 @ 80), (N/A, 23), (N/A), NO-OUTDOOR, AUTO-BW
(5250 - 5330 @ 80), (N/A, 23), (0 ms), NO-OUTDOOR, DFS, AUTO-BW
(5490 - 5590 @ 80), (N/A, 24), (0 ms), DFS, AUTO-BW
(5590 - 5650 @ 40), (N/A, 24), (600000 ms), DFS, AUTO-BW
(5650 - 5710 @ 40), (N/A, 24), (0 ms), DFS, AUTO-BW
(5945 - 6425 @ 320), (N/A, 23), (N/A), NO-OUTDOOR, AUTO-BW
phy#0 (self-managed)
country BE: DFS-ETSI
(2402 - 2472 @ 40), (N/A, 20), (N/A)
(5170 - 5250 @ 80), (N/A, 23), (N/A), NO-OUTDOOR, AUTO-BW
(5250 - 5330 @ 80), (N/A, 23), (0 ms), NO-OUTDOOR, DFS, AUTO-BW
(5490 - 5590 @ 80), (N/A, 24), (0 ms), DFS, AUTO-BW
(5590 - 5650 @ 40), (N/A, 24), (600000 ms), DFS, AUTO-BW
(5650 - 5710 @ 40), (N/A, 24), (0 ms), DFS, AUTO-BW
(5945 - 6425 @ 320), (N/A, 23), (N/A), NO-OUTDOOR, AUTO-BW
root@OpenWrt:~# iw phy phy1 channels
Band 2:
* 5180 MHz [36]
Maximum TX power: 23.0 dBm
Channel widths: 20MHz HT40+ VHT80
* 5200 MHz [40]
Maximum TX power: 23.0 dBm
Channel widths: 20MHz HT40- HT40+ VHT80
* 5220 MHz [44]
Maximum TX power: 23.0 dBm
Channel widths: 20MHz HT40- HT40+ VHT80
* 5240 MHz [48]
Maximum TX power: 23.0 dBm
Channel widths: 20MHz HT40- HT40+ VHT80
* 5260 MHz [52]
Maximum TX power: 23.0 dBm
Radar detection
Channel widths: 20MHz HT40- HT40+ VHT80
DFS state: usable (for 6 sec)
DFS CAC time: 60000 ms
* 5280 MHz [56]
Maximum TX power: 23.0 dBm
Radar detection
Channel widths: 20MHz HT40- HT40+ VHT80
DFS state: usable (for 6 sec)
DFS CAC time: 60000 ms
* 5300 MHz [60]
Maximum TX power: 23.0 dBm
Radar detection
Channel widths: 20MHz HT40- HT40+ VHT80
DFS state: usable (for 6 sec)
DFS CAC time: 60000 ms
* 5320 MHz [64]
Maximum TX power: 23.0 dBm
Radar detection
Channel widths: 20MHz HT40- VHT80
DFS state: usable (for 6 sec)
DFS CAC time: 60000 ms
* 5500 MHz [100] (disabled)
* 5520 MHz [104] (disabled)
* 5540 MHz [108] (disabled)
* 5560 MHz [112] (disabled)
* 5580 MHz [116] (disabled)
* 5600 MHz [120] (disabled)
* 5620 MHz [124] (disabled)
* 5640 MHz [128] (disabled)
* 5660 MHz [132] (disabled)
* 5680 MHz [136] (disabled)
* 5700 MHz [140] (disabled)
* 5720 MHz [144] (disabled)
* 5745 MHz [149] (disabled)
* 5765 MHz [153] (disabled)
* 5785 MHz [157] (disabled)
* 5805 MHz [161] (disabled)
* 5825 MHz [165] (disabled)
* 5845 MHz [169] (disabled)
* 5865 MHz [173] (disabled)