root@OpenWrt:~# iw dev
phy#1
    Interface wlan1
        ifindex 14
        wdev 0x100000002
        addr 74:da:38:6a:49:32
        ssid SINIAK
        type AP
        channel 2 (2417 MHz), width: 40 MHz, center1: 2427 MHz
        txpower 30.00 dBm
        multicast TXQ:
            qsz-byt    qsz-pkt    flows    drops    marks    overlmt    hashcol    tx-bytes    tx-packets
            0    0    390    0    0    0    0    85109        390
phy#0
    Interface wlan0
        ifindex 13
        wdev 0x2
        addr 74:da:38:6a:49:33
        type AP
        txpower 0.00 dBm
        multicast TXQ:
            qsz-byt    qsz-pkt    flows    drops    marks    overlmt    hashcol    tx-bytes    tx-packets
            0    0    0    0    0    0    0    0        0

phy#1
    Interface wlan1
        ifindex 17
        wdev 0x100000003
        addr 74:da:38:6a:49:32
        ssid SINIAK
        type AP
        channel 2 (2417 MHz), width: 40 MHz, center1: 2427 MHz
        txpower 30.00 dBm
        multicast TXQ:
            qsz-byt    qsz-pkt    flows    drops    marks    overlmt    hashcol    tx-bytes    tx-packets
            0    0    292    0    0    0    0    62060        292
phy#0
    Interface wlan0
        ifindex 16
        wdev 0x3
        addr 74:da:38:6a:49:33
        ssid Za Hajs Matki Baluj
        type AP
        channel 36 (5180 MHz), width: 80 MHz, center1: 5210 MHz
        txpower 24.00 dBm
        multicast TXQ:
            qsz-byt    qsz-pkt    flows    drops    marks    overlmt    hashcol    tx-bytes    tx-packets
            0    0    221    0    0    0    0    50164        221

root@OpenWrt:~# iw info
Usage:    iw [options] command
Options:
    --debug        enable netlink debugging
    --version    show version (5.8)
Commands:
    dev <devname> station set <MAC address> txpwr <auto|limit> [<tx power dBm>]
        Set Tx power for this station.

    dev <devname> station set <MAC address> airtime_weight <weight>
        Set airtime weight for this station.

    dev <devname> station set <MAC address> vlan <ifindex>
        Set an AP VLAN for this station.

    dev <devname> station get <MAC address>
        Get information for a specific station.

    dev <devname> station del <MAC address> [subtype <subtype>] [reason-code <code>]
        Remove the given station entry (use with caution!)
        Example subtype values: 0xA (disassociation), 0xC (deauthentication)

    dev <devname> station dump [-v]
        List all stations known, e.g. the AP on managed interfaces

    dev <devname> disconnect
        Disconnect from the current network.

    dev <devname> connect [-w] <SSID> [<freq in MHz>] [<bssid>] [key 0:abcde d:1:6162636465] [mfp:req/opt/no]
        Join the network with the given SSID (and frequency, BSSID).
        With -w, wait for the connect to finish or fail.

    dev <devname> auth <SSID> <bssid> <type:open|shared> <freq in MHz> [key 0:abcde d:1:6162636465]
        Authenticate with the given network.
        

    event [-t|-r] [-f]
        Monitor events from the kernel.
        -t - print timestamp
        -r - print relative timestamp
        -f - print full frame for auth/assoc etc.

    phy <phyname> hwsim getps 
        

    phy <phyname> hwsim setps <value>
        

    phy <phyname> hwsim stopqueues 
        

    phy <phyname> hwsim wakequeues 
        

    dev <devname> ibss leave
        Leave the current IBSS cell.

    dev <devname> ibss join <SSID> <freq in MHz> [NOHT|HT20|HT40+|HT40-|5MHz|10MHz|80MHz] [fixed-freq] [<fixed bssid>] [beacon-interval <TU>] [basic-rates <rate in Mbps,rate2,...>] [mcast-rate <rate in Mbps>] [key d:0:abcde]
        Join the IBSS cell with the given SSID, if it doesn't exist create
        it on the given frequency. When fixed frequency is requested, don't
        join/create a cell on a different frequency. When a fixed BSSID is
        requested use that BSSID and do not adopt another cell's BSSID even
        if it has higher TSF and the same SSID. If an IBSS is created, create
        it with the specified basic-rates, multicast-rate and beacon-interval.

    phy <phyname> info
        Show capabilities for the specified wireless device.

    list
        List all wireless devices and their capabilities.

    phy
    features 
        

    phy <phyname> interface add <name> type <type> [mesh_id <meshid>] [4addr on|off] [flags <flag>*] [addr <mac-addr>]
        Add a new virtual interface with the given configuration.
        Valid interface types are: managed, ibss, monitor, mesh, wds.
        
        The flags are only used for monitor interfaces, valid flags are:
        none:     no special flags
        fcsfail:  show frames with FCS errors
        control:  show control frames
        otherbss: show frames from other BSSes
        cook:     use cooked mode
        active:   use active mode (ACK incoming unicast packets)
        mumimo-groupid <GROUP_ID>: use MUMIMO according to a group id
        mumimo-follow-mac <MAC_ADDRESS>: use MUMIMO according to a MAC address
        
        The mesh_id is used only for mesh mode.

    dev <devname> interface add <name> type <type> [mesh_id <meshid>] [4addr on|off] [flags <flag>*] [addr <mac-addr>]
    dev <devname> del
        Remove this virtual interface

    dev <devname> info
        Show information for this interface.

    dev
        List all network interfaces for wireless hardware.

    help [command]
        Print usage for all or a specific command, e.g.
        "help wowlan" or "help wowlan enable".

    dev <devname> link
        Print information about the current link, if any.

    dev <devname> mesh join <mesh ID> [[freq <freq in MHz> <NOHT|HT20|HT40+|HT40-|80MHz>] [basic-rates <rate in Mbps,rate2,...>]], [mcast-rate <rate in Mbps>] [beacon-interval <time in TUs>] [dtim-period <value>] [vendor_sync on|off] [<param>=<value>]*
        Join a mesh with the given mesh ID with frequency, basic-rates,
        mcast-rate and mesh parameters. Basic-rates are applied only if
        frequency is provided.

    dev <devname> mesh leave
        Leave a mesh.

    dev <devname> mpath probe <destination MAC address> frame <frame>
        Inject ethernet frame to given peer overriding the next hop
        lookup from mpath table.
        .Example: iw dev wlan0 mpath probe xx:xx:xx:xx:xx:xx frame 01:xx:xx:00
        

    dev <devname> mpath get <MAC address>
        Get information on mesh path to the given node.

    dev <devname> mpath del <MAC address>
        Remove the mesh path to the given node.

    dev <devname> mpath new <destination MAC address> next_hop <next hop MAC address>
        Create a new mesh path (instead of relying on automatic discovery).

    dev <devname> mpath set <destination MAC address> next_hop <next hop MAC address>
        Set an existing mesh path's next hop.

    dev <devname> mpath dump
        List known mesh paths.

    dev <devname> mpp get <MAC address>
        Get information on mesh proxy path to the given node.

    dev <devname> mpp dump
        List known mesh proxy paths.

    phy <phyname> channels
        Show available channels.

    reg set <ISO/IEC 3166-1 alpha2>
        Notify the kernel about the current regulatory domain.

    reg get
        Print out the kernel's current regulatory domain information.

    phy <phyname> reg get
        Print out the devices' current regulatory domain information.

    reg reload
        Reload the kernel's regulatory database.

    dev <devname> scan [-u] [freq <freq>*] [duration <dur>] [ies <hex as 00:11:..>] [meshid <meshid>] [lowpri,flush,ap-force,duration-mandatory] [randomise[=<addr>/<mask>]] [ssid <ssid>*|passive]
        Scan on the given frequencies and probe for the given SSIDs
        (or wildcard if not given) unless passive scanning is requested.
        If -u is specified print unknown data in the scan results.
        Specified (vendor) IEs must be well-formed.

    dev <devname> scan dump [-u]
        Dump the current scan results. If -u is specified, print unknown
        data in scan results.

    dev <devname> scan trigger [freq <freq>*] [duration <dur>] [ies <hex as 00:11:..>] [meshid <meshid>] [lowpri,flush,ap-force,duration-mandatory] [randomise[=<addr>/<mask>]] [ssid <ssid>*|passive]
        Trigger a scan on the given frequencies with probing for the given
        SSIDs (or wildcard if not given) unless passive scanning is requested.
        Duration(in TUs), if specified, will be used to set dwell times.
        

    dev <devname> scan abort 
        Abort ongoing scan

    dev <devname> get mesh_param [<param>]
        Retrieve mesh parameter (run command without any to see available ones).

    phy <phyname> get txq 
        Get TXQ parameters.

    dev <devname> get power_save <param>
        Retrieve power save state.

    dev <devname> set bitrates [legacy-<2.4|5> <legacy rate in Mbps>*] [ht-mcs-<2.4|5> <MCS index>*] [vht-mcs-<2.4|5> <NSS:MCSx,MCSy... | NSS:MCSx-MCSy>*] [sgi-2.4|lgi-2.4] [sgi-5|lgi-5]
        Sets up the specified rate masks.
        Not passing any arguments would clear the existing mask (if any).

    dev <devname> set monitor <flag>*
        Set monitor flags. Valid flags are:
        none:     no special flags
        fcsfail:  show frames with FCS errors
        control:  show control frames
        otherbss: show frames from other BSSes
        cook:     use cooked mode
        active:   use active mode (ACK incoming unicast packets)
        mumimo-groupid <GROUP_ID>: use MUMIMO according to a group id
        mumimo-follow-mac <MAC_ADDRESS>: use MUMIMO according to a MAC address

    dev <devname> set meshid <meshid>
    dev <devname> set type <type>
        Set interface type/mode.
        Valid interface types are: managed, ibss, monitor, mesh, wds.

    dev <devname> set 4addr <on|off>
        Set interface 4addr (WDS) mode.

    dev <devname> set noack_map <map>
        Set the NoAck map for the TIDs. (0x0009 = BE, 0x0006 = BK, 0x0030 = VI, 0x00C0 = VO)

    dev <devname> set mcast_rate <rate in Mbps>
        Set the multicast bitrate.

    dev <devname> set mesh_param <param>=<value> [<param>=<value>]*
        Set mesh parameter (run command without any to see available ones).

    phy <phyname> set name <new name>
        Rename this wireless device.

    phy <phyname> set freq <freq> [NOHT|HT20|HT40+|HT40-|5MHz|10MHz|80MHz]
    phy <phyname> set freq <control freq> [5|10|20|40|80|80+80|160] [<center1_freq> [<center2_freq>]]
        Set frequency/channel the hardware is using, including HT
        configuration.

    dev <devname> set freq <freq> [NOHT|HT20|HT40+|HT40-|5MHz|10MHz|80MHz]
    dev <devname> set freq <control freq> [5|10|20|40|80|80+80|160] [<center1_freq> [<center2_freq>]]
    phy <phyname> set channel <channel> [NOHT|HT20|HT40+|HT40-|5MHz|10MHz|80MHz]
    dev <devname> set channel <channel> [NOHT|HT20|HT40+|HT40-|5MHz|10MHz|80MHz]
    phy <phyname> set frag <fragmentation threshold|off>
        Set fragmentation threshold.

    phy <phyname> set rts <rts threshold|off>
        Set rts threshold.

    phy <phyname> set retry [short <limit>] [long <limit>]
        Set retry limit.

    phy <phyname> set netns { <pid> | name <nsname> }
        Put this wireless device into a different network namespace:
            <pid>    - change network namespace by process id
            <nsname> - change network namespace by name from /var/run/netns
                       or by absolute path (man ip-netns)
        

    phy <phyname> set coverage <coverage class>
        Set coverage class (1 for every 3 usec of air propagation time).
        Valid values: 0 - 255.

    phy <phyname> set distance <auto|distance>
        Enable ACK timeout estimation algorithm (dynack) or set appropriate
        coverage class for given link distance in meters.
        To disable dynack set valid value for coverage class.
        Valid values: 0 - 114750

    phy <phyname> set txpower <auto|fixed|limit> [<tx power in mBm>]
        Specify transmit power level and setting type.

    dev <devname> set txpower <auto|fixed|limit> [<tx power in mBm>]
        Specify transmit power level and setting type.

    phy <phyname> set antenna <bitmap> | all | <tx bitmap> <rx bitmap>
        Set a bitmap of allowed antennas to use for TX and RX.
        The driver may reject antenna configurations it cannot support.

    phy <phyname> set txq limit <packets> | memory_limit <bytes> | quantum <bytes>
        Set TXQ parameters. The limit and memory_limit are global queue limits
        for the whole phy. The quantum is the DRR scheduler quantum setting.
        Valid values: 1 - 2**32

    phy <phyname> set antenna_gain <antenna gain in dBm>
        Specify antenna gain.

    dev <devname> set power_save <on|off>
        Set power save state to on or off.

    dev <devname> survey dump
        List all gathered channel survey data


Commands that use the netdev ('dev') can also be given the
'wdev' instead to identify the device.

You can omit the 'phy' or 'dev' if the identification is unique,
e.g. "iw wlan0 info" or "iw phy0 info". (Don't when scripting.)

Do NOT screenscrape this tool, we don't consider its output stable.

root@OpenWrt:~# 

 root@OpenWrt:~# iw list
Wiphy phy1
    wiphy index: 1
    max # scan SSIDs: 16
    max scan IEs length: 195 bytes
    max # sched scan SSIDs: 0
    max # match sets: 0
    max # scan plans: 1
    max scan plan interval: -1
    max scan plan iterations: 0
    Retry short limit: 7
    Retry long limit: 4
    Coverage class: 0 (up to 0m)
    Device supports AP-side u-APSD.
    Available Antennas: TX 0xf RX 0xf
    Configured Antennas: TX 0xf RX 0xf
    Supported interface modes:
         * IBSS
         * managed
         * AP
         * AP/VLAN
         * monitor
         * mesh point
         * P2P-client
         * P2P-GO
         * P2P-device
    Band 1:
        Capabilities: 0x19ef
            RX LDPC
            HT20/HT40
            SM Power Save disabled
            RX HT20 SGI
            RX HT40 SGI
            TX STBC
            RX STBC 1-stream
            Max AMSDU length: 7935 bytes
            DSSS/CCK HT40
        Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
        Minimum RX AMPDU time spacing: 8 usec (0x06)
        HT TX/RX MCS rate indexes supported: 0-31
        VHT Capabilities (0x339b79b2):
            Max MPDU length: 11454
            Supported Channel Width: neither 160 nor 80+80
            RX LDPC
            short GI (80 MHz)
            TX STBC
            SU Beamformer
            SU Beamformee
            MU Beamformer
            MU Beamformee
            RX antenna pattern consistency
            TX antenna pattern consistency
        VHT RX MCS set:
            1 streams: MCS 0-9
            2 streams: MCS 0-9
            3 streams: MCS 0-9
            4 streams: MCS 0-9
            5 streams: not supported
            6 streams: not supported
            7 streams: not supported
            8 streams: not supported
        VHT RX highest supported: 0 Mbps
        VHT TX MCS set:
            1 streams: MCS 0-9
            2 streams: MCS 0-9
            3 streams: MCS 0-9
            4 streams: MCS 0-9
            5 streams: not supported
            6 streams: not supported
            7 streams: not supported
            8 streams: not supported
        VHT TX highest supported: 0 Mbps
        Frequencies:
            * 2412 MHz [1] (30.0 dBm)
            * 2417 MHz [2] (30.0 dBm)
            * 2422 MHz [3] (30.0 dBm)
            * 2427 MHz [4] (30.0 dBm)
            * 2432 MHz [5] (30.0 dBm)
            * 2437 MHz [6] (30.0 dBm)
            * 2442 MHz [7] (30.0 dBm)
            * 2447 MHz [8] (30.0 dBm)
            * 2452 MHz [9] (30.0 dBm)
            * 2457 MHz [10] (30.0 dBm)
            * 2462 MHz [11] (30.0 dBm)
            * 2467 MHz [12] (disabled)
            * 2472 MHz [13] (disabled)
            * 2484 MHz [14] (disabled)
    valid interface combinations:
         * #{ managed } <= 16, #{ AP, mesh point } <= 16, #{ IBSS } <= 1,
           total <= 16, #channels <= 1, STA/AP BI must match, radar detect widths: { 20 MHz (no HT), 20 MHz, 40 MHz, 80 MHz, 80+80 MHz, 160 MHz }

    HT Capability overrides:
         * MCS: ff ff ff ff ff ff ff ff ff ff
         * maximum A-MSDU length
         * supported channel width
         * short GI for 40 MHz
         * max A-MPDU length exponent
         * min MPDU start spacing
    Maximum associated stations in AP mode: 32
    Supported extended features:
        * [ VHT_IBSS ]: VHT-IBSS
        * [ RRM ]: RRM
        * [ SET_SCAN_DWELL ]: scan dwell setting
        * [ CQM_RSSI_LIST ]: multiple CQM_RSSI_THOLD records
        * [ CONTROL_PORT_OVER_NL80211 ]: control port over nl80211
        * [ TXQS ]: FQ-CoDel-enabled intermediate TXQs
        * [ AQL ]: Airtime Queue Limits (AQL)
        * [ CONTROL_PORT_NO_PREAUTH ]: disable pre-auth over nl80211 control port support
        * [ DEL_IBSS_STA ]: deletion of IBSS station support
        * [ SCAN_FREQ_KHZ ]: scan on kHz frequency support
        * [ CONTROL_PORT_OVER_NL80211_TX_STATUS ]: tx status for nl80211 control port support
Wiphy phy0
    wiphy index: 0
    max # scan SSIDs: 16
    max scan IEs length: 199 bytes
    max # sched scan SSIDs: 0
    max # match sets: 0
    max # scan plans: 1
    max scan plan interval: -1
    max scan plan iterations: 0
    Retry short limit: 7
    Retry long limit: 4
    Coverage class: 0 (up to 0m)
    Device supports AP-side u-APSD.
    Available Antennas: TX 0xf RX 0xf
    Configured Antennas: TX 0xf RX 0xf
    Supported interface modes:
         * IBSS
         * managed
         * AP
         * AP/VLAN
         * monitor
         * mesh point
         * P2P-client
         * P2P-GO
         * P2P-device
    Band 2:
        Capabilities: 0x19ef
            RX LDPC
            HT20/HT40
            SM Power Save disabled
            RX HT20 SGI
            RX HT40 SGI
            TX STBC
            RX STBC 1-stream
            Max AMSDU length: 7935 bytes
            DSSS/CCK HT40
        Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
        Minimum RX AMPDU time spacing: 8 usec (0x06)
        HT TX/RX MCS rate indexes supported: 0-31
        VHT Capabilities (0x339b79b2):
            Max MPDU length: 11454
            Supported Channel Width: neither 160 nor 80+80
            RX LDPC
            short GI (80 MHz)
            TX STBC
            SU Beamformer
            SU Beamformee
            MU Beamformer
            MU Beamformee
            RX antenna pattern consistency
            TX antenna pattern consistency
        VHT RX MCS set:
            1 streams: MCS 0-9
            2 streams: MCS 0-9
            3 streams: MCS 0-9
            4 streams: MCS 0-9
            5 streams: not supported
            6 streams: not supported
            7 streams: not supported
            8 streams: not supported
        VHT RX highest supported: 0 Mbps
        VHT TX MCS set:
            1 streams: MCS 0-9
            2 streams: MCS 0-9
            3 streams: MCS 0-9
            4 streams: MCS 0-9
            5 streams: not supported
            6 streams: not supported
            7 streams: not supported
            8 streams: not supported
        VHT TX highest supported: 0 Mbps
        Frequencies:
            * 5180 MHz [36] (24.0 dBm)
            * 5200 MHz [40] (24.0 dBm)
            * 5220 MHz [44] (24.0 dBm)
            * 5240 MHz [48] (24.0 dBm)
            * 5260 MHz [52] (24.0 dBm) (radar detection)
            * 5280 MHz [56] (24.0 dBm) (radar detection)
            * 5300 MHz [60] (24.0 dBm) (radar detection)
            * 5320 MHz [64] (24.0 dBm) (radar detection)
            * 5500 MHz [100] (24.0 dBm) (radar detection)
            * 5520 MHz [104] (24.0 dBm) (radar detection)
            * 5540 MHz [108] (24.0 dBm) (radar detection)
            * 5560 MHz [112] (24.0 dBm) (radar detection)
            * 5580 MHz [116] (24.0 dBm) (radar detection)
            * 5600 MHz [120] (24.0 dBm) (radar detection)
            * 5620 MHz [124] (24.0 dBm) (radar detection)
            * 5640 MHz [128] (24.0 dBm) (radar detection)
            * 5660 MHz [132] (24.0 dBm) (radar detection)
            * 5680 MHz [136] (24.0 dBm) (radar detection)
            * 5700 MHz [140] (24.0 dBm) (radar detection)
            * 5720 MHz [144] (24.0 dBm) (radar detection)
            * 5745 MHz [149] (30.0 dBm)
            * 5765 MHz [153] (30.0 dBm)
            * 5785 MHz [157] (30.0 dBm)
            * 5805 MHz [161] (30.0 dBm)
            * 5825 MHz [165] (30.0 dBm)
            * 5845 MHz [169] (disabled)
            * 5865 MHz [173] (disabled)
    valid interface combinations:
         * #{ managed } <= 16, #{ AP, mesh point } <= 16, #{ IBSS } <= 1,
           total <= 16, #channels <= 1, STA/AP BI must match, radar detect widths: { 20 MHz (no HT), 20 MHz, 40 MHz, 80 MHz, 80+80 MHz, 160 MHz }

    HT Capability overrides:
         * MCS: ff ff ff ff ff ff ff ff ff ff
         * maximum A-MSDU length
         * supported channel width
         * short GI for 40 MHz
         * max A-MPDU length exponent
         * min MPDU start spacing
    Maximum associated stations in AP mode: 32
    Supported extended features:
        * [ VHT_IBSS ]: VHT-IBSS
        * [ RRM ]: RRM
        * [ SET_SCAN_DWELL ]: scan dwell setting
        * [ CQM_RSSI_LIST ]: multiple CQM_RSSI_THOLD records
        * [ CONTROL_PORT_OVER_NL80211 ]: control port over nl80211
        * [ TXQS ]: FQ-CoDel-enabled intermediate TXQs
        * [ AQL ]: Airtime Queue Limits (AQL)
        * [ CONTROL_PORT_NO_PREAUTH ]: disable pre-auth over nl80211 control port support
        * [ DEL_IBSS_STA ]: deletion of IBSS station support
        * [ SCAN_FREQ_KHZ ]: scan on kHz frequency support
        * [ CONTROL_PORT_OVER_NL80211_TX_STATUS ]: tx status for nl80211 control port support
root@OpenWrt:~#