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Wifi：设置无线区域/注册域

tag-icon • tag-icon linux wireless-networking command-line
Wifi：设置无线区域/注册域

我无法更改无线适配器的注册域。我使用命令，iw reg set/get但只有global国家/地区获得了新值。phy#0保留US。

root@ccimx6ulsbc:~# iw reg get
global
country US: DFS-FCC
        (2402 - 2472 @ 40), (N/A, 30), (N/A)
        (5170 - 5250 @ 80), (N/A, 23), (N/A), AUTO-BW
        (5250 - 5330 @ 80), (N/A, 23), (0 ms), DFS, AUTO-BW
        (5490 - 5730 @ 160), (N/A, 23), (0 ms), DFS
        (5735 - 5835 @ 80), (N/A, 30), (N/A)
        (57240 - 63720 @ 2160), (N/A, 40), (N/A)
phy#0
country US: DFS-FCC
        (2402 - 2472 @ 40), (N/A, 30), (N/A)
        (5170 - 5250 @ 80), (N/A, 23), (N/A), AUTO-BW
        (5250 - 5330 @ 80), (N/A, 23), (0 ms), DFS, AUTO-BW
        (5490 - 5730 @ 160), (N/A, 23), (0 ms), DFS
        (5735 - 5835 @ 80), (N/A, 30), (N/A)
        (57240 - 63720 @ 2160), (N/A, 40), (N/A)

root@ccimx6ulsbc:~# iw reg set JP
root@ccimx6ulsbc:~# 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)
        (5030 - 5090 @ 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 - 5710 @ 160), (N/A, 23), (0 ms), DFS
        (59000 - 66000 @ 2160), (N/A, 10), (N/A)
phy#0
country US: DFS-FCC
        (2402 - 2472 @ 40), (N/A, 30), (N/A)
        (5170 - 5250 @ 80), (N/A, 23), (N/A), AUTO-BW
        (5250 - 5330 @ 80), (N/A, 23), (0 ms), DFS, AUTO-BW
        (5490 - 5730 @ 160), (N/A, 23), (0 ms), DFS
        (5735 - 5835 @ 80), (N/A, 30), (N/A)
        (57240 - 63720 @ 2160), (N/A, 40), (N/A)

怎么了？

答案1

这只是猜测，但最近我看到几家 Wi-Fi 设备制造商的硬件有单独的“美国”和“国际”版本，其中美国版本在工厂仅受 FCC 监管规则的限制。如果您从美国商店购买了适配器，则其固件可能故意被设计为拒绝这些更改。

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