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# iw reg
> Manage WLAN regulatory domains.
> More information: <https://wireless.docs.kernel.org/en/latest/en/users/documentation/iw.html>.
- Display the current regulatory domain:
`iw reg get`
- Set the regulatory domain according to ISO 3166-1 alpha-2:
`sudo iw reg set {{US|JP|FI|...}}`
- Reload the kernel's regulatory database:
`sudo iw reg reload`