" --version" print version information and exit.
" --debug" enable netlink message debugging.
dev <interface name> - network interface.
phy <phy name> - wireless hardware device (by name).
phy#<phy index> - wireless hardware device (by index).
reg - regulatory agent.
COMMAND Specifies the action to perform on the object. The set of possible actions depends on the object type. iw help will print all supported commands, while iw help command will print the help for all matching commands.