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USB WiFi Adapter Information for Linux
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How to configure Mediatek MT7610U to support channel 149? #312

Closed fumin closed 8 months ago

fumin commented 9 months ago

I bought a ASUS AC51 and found that it cannot connect to my router whose channel is 149. Out of the box, this ASUS AC51, whose chip is Mediatek MT7610U, can only go up to channel 136. How can I change my configuration to make it support channel 149?

When running lsusb -v -d 0b05:17d1, I noticed the message Couldn't open device, some information will be missing. Could this be a problem?

I see that people sometimes change their regulatory domain, like "US". I am in Taiwan, should I force my Ubuntu to change my ASUS AC51 domain to the US?

$ uname -a
Linux topunion-MS-7C96 6.2.0-33-generic #33~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Thu Sep  7 10:33:52 UTC 2 x86_64 x86_64 x86_64 GNU/Linux
$ lsusb
Bus 001 Device 006: ID 0b05:17d1 ASUSTek Computer, Inc. AC51 802.11a/b/g/n/ac Wireless Adapter [Mediatek MT7610U]
$ lsusb -v -d 0b05:17d1

Bus 001 Device 006: ID 0b05:17d1 ASUSTek Computer, Inc. AC51 802.11a/b/g/n/ac Wireless Adapter [Mediatek MT7610U]
Couldn't open device, some information will be missing
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.01
  bDeviceClass            0 
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0        64
  idVendor           0x0b05 ASUSTek Computer, Inc.
  idProduct          0x17d1 AC51 802.11a/b/g/n/ac Wireless Adapter [Mediatek MT7610U]
  bcdDevice            1.00
  iManufacturer           1 MediaTek
  iProduct                2 WiFi
  iSerial                 3 1.0
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength       0x004a
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0xa0
      (Bus Powered)
      Remote Wakeup
    MaxPower              160mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           8
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      2 
      bInterfaceProtocol    255 
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x84  EP 4 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x85  EP 5 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x08  EP 8 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x04  EP 4 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x05  EP 5 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x06  EP 6 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x07  EP 7 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x09  EP 9 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               1
$ iwconfig
lo        no wireless extensions.

wlx08bfb849ed0a  IEEE 802.11  ESSID:off/any  
          Mode:Managed  Access Point: Not-Associated   Tx-Power=16 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Power Management:off
$ iw reg get
global
country 00: DFS-UNSET
    (755 - 928 @ 2), (N/A, 20), (N/A), PASSIVE-SCAN
    (2402 - 2472 @ 40), (N/A, 20), (N/A)
    (2457 - 2482 @ 20), (N/A, 20), (N/A), AUTO-BW, PASSIVE-SCAN
    (2474 - 2494 @ 20), (N/A, 20), (N/A), NO-OFDM, PASSIVE-SCAN
    (5170 - 5250 @ 80), (N/A, 20), (N/A), AUTO-BW, PASSIVE-SCAN
    (5250 - 5330 @ 80), (N/A, 20), (0 ms), DFS, AUTO-BW, PASSIVE-SCAN
    (5490 - 5730 @ 160), (N/A, 20), (0 ms), DFS, PASSIVE-SCAN
    (5735 - 5835 @ 80), (N/A, 20), (N/A), PASSIVE-SCAN
    (57240 - 63720 @ 2160), (N/A, 0), (N/A)
$ iw list
Wiphy phy2
    wiphy index: 2
    max # scan SSIDs: 4
    max scan IEs length: 2243 bytes
    max # sched scan SSIDs: 0
    max # match sets: 0
    Retry short limit: 7
    Retry long limit: 4
    Coverage class: 0 (up to 0m)
    Device supports RSN-IBSS.
    Device supports AP-side u-APSD.
    Device supports T-DLS.
    Supported Ciphers:
        * WEP40 (00-0f-ac:1)
        * WEP104 (00-0f-ac:5)
        * TKIP (00-0f-ac:2)
        * CCMP-128 (00-0f-ac:4)
        * CCMP-256 (00-0f-ac:10)
        * GCMP-128 (00-0f-ac:8)
        * GCMP-256 (00-0f-ac:9)
        * CMAC (00-0f-ac:6)
        * CMAC-256 (00-0f-ac:13)
        * GMAC-128 (00-0f-ac:11)
        * GMAC-256 (00-0f-ac:12)
    Available Antennas: TX 0x1 RX 0x1
    Configured Antennas: TX 0x1 RX 0x1
    Supported interface modes:
         * IBSS
         * managed
         * AP
         * AP/VLAN
         * monitor
         * mesh point
         * P2P-client
         * P2P-GO
    Band 1:
        Capabilities: 0x17e
            HT20/HT40
            SM Power Save disabled
            RX Greenfield
            RX HT20 SGI
            RX HT40 SGI
            RX STBC 1-stream
            Max AMSDU length: 3839 bytes
            No DSSS/CCK HT40
        Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
        Minimum RX AMPDU time spacing: No restriction (0x00)
        HT TX/RX MCS rate indexes supported: 0-7
        Bitrates (non-HT):
            * 1.0 Mbps (short preamble supported)
            * 2.0 Mbps (short preamble supported)
            * 5.5 Mbps (short preamble supported)
            * 11.0 Mbps (short preamble supported)
            * 6.0 Mbps
            * 9.0 Mbps
            * 12.0 Mbps
            * 18.0 Mbps
            * 24.0 Mbps
            * 36.0 Mbps
            * 48.0 Mbps
            * 54.0 Mbps
        Frequencies:
            * 2412 MHz [1] (16.0 dBm)
            * 2417 MHz [2] (16.0 dBm)
            * 2422 MHz [3] (16.0 dBm)
            * 2427 MHz [4] (16.0 dBm)
            * 2432 MHz [5] (16.0 dBm)
            * 2437 MHz [6] (16.0 dBm)
            * 2442 MHz [7] (16.0 dBm)
            * 2447 MHz [8] (16.0 dBm)
            * 2452 MHz [9] (16.0 dBm)
            * 2457 MHz [10] (16.0 dBm)
            * 2462 MHz [11] (16.0 dBm)
            * 2467 MHz [12] (16.0 dBm) (no IR)
            * 2472 MHz [13] (16.0 dBm) (no IR)
            * 2484 MHz [14] (16.0 dBm) (no IR)
    Band 2:
        Capabilities: 0x17e
            HT20/HT40
            SM Power Save disabled
            RX Greenfield
            RX HT20 SGI
            RX HT40 SGI
            RX STBC 1-stream
            Max AMSDU length: 3839 bytes
            No DSSS/CCK HT40
        Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
        Minimum RX AMPDU time spacing: No restriction (0x00)
        HT TX/RX MCS rate indexes supported: 0-7
        VHT Capabilities (0x31800120):
            Max MPDU length: 3895
            Supported Channel Width: neither 160 nor 80+80
            short GI (80 MHz)
            RX antenna pattern consistency
            TX antenna pattern consistency
        VHT RX MCS set:
            1 streams: MCS 0-9
            2 streams: not supported
            3 streams: not supported
            4 streams: not supported
            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: not supported
            3 streams: not supported
            4 streams: not supported
            5 streams: not supported
            6 streams: not supported
            7 streams: not supported
            8 streams: not supported
        VHT TX highest supported: 0 Mbps
        Bitrates (non-HT):
            * 6.0 Mbps
            * 9.0 Mbps
            * 12.0 Mbps
            * 18.0 Mbps
            * 24.0 Mbps
            * 36.0 Mbps
            * 48.0 Mbps
            * 54.0 Mbps
        Frequencies:
            * 5180 MHz [36] (20.0 dBm)
            * 5200 MHz [40] (20.0 dBm) (no IR)
            * 5220 MHz [44] (20.0 dBm) (no IR)
            * 5240 MHz [48] (20.0 dBm) (no IR)
            * 5260 MHz [52] (20.0 dBm) (no IR, radar detection)
            * 5280 MHz [56] (20.0 dBm) (no IR, radar detection)
            * 5300 MHz [60] (20.0 dBm) (no IR, radar detection)
            * 5320 MHz [64] (20.0 dBm) (no IR, radar detection)
            * 5500 MHz [100] (20.0 dBm) (no IR, radar detection)
            * 5520 MHz [104] (20.0 dBm) (no IR, radar detection)
            * 5540 MHz [108] (20.0 dBm) (no IR, radar detection)
            * 5560 MHz [112] (20.0 dBm) (no IR, radar detection)
            * 5580 MHz [116] (20.0 dBm) (no IR, radar detection)
            * 5600 MHz [120] (20.0 dBm) (no IR, radar detection)
            * 5620 MHz [124] (20.0 dBm) (no IR, radar detection)
            * 5640 MHz [128] (20.0 dBm) (no IR, radar detection)
            * 5660 MHz [132] (20.0 dBm) (no IR, radar detection)
            * 5680 MHz [136] (20.0 dBm) (no IR, radar detection)
            * 5700 MHz [140] (20.0 dBm) (no IR, radar detection)
            * 5720 MHz [144] (20.0 dBm) (no IR, radar detection)
            * 5745 MHz [149] (20.0 dBm)
            * 5765 MHz [153] (20.0 dBm) (no IR)
            * 5785 MHz [157] (20.0 dBm)
            * 5805 MHz [161] (20.0 dBm)
            * 5825 MHz [165] (20.0 dBm) (no IR)
            * 5845 MHz [169] (disabled)
            * 5865 MHz [173] (disabled)
    Supported commands:
         * new_interface
         * set_interface
         * new_key
         * start_ap
         * new_station
         * new_mpath
         * set_mesh_config
         * set_bss
         * authenticate
         * associate
         * deauthenticate
         * disassociate
         * join_ibss
         * join_mesh
         * remain_on_channel
         * set_tx_bitrate_mask
         * frame
         * frame_wait_cancel
         * set_wiphy_netns
         * set_channel
         * tdls_mgmt
         * tdls_oper
         * probe_client
         * set_noack_map
         * register_beacons
         * start_p2p_device
         * set_mcast_rate
         * connect
         * disconnect
         * channel_switch
         * set_qos_map
         * set_multicast_to_unicast
         * set_sar_specs
    software interface modes (can always be added):
         * AP/VLAN
         * monitor
    valid interface combinations:
         * #{ IBSS } <= 1, #{ managed, AP, mesh point, P2P-client, P2P-GO } <= 2,
           total <= 2, #channels <= 1, STA/AP BI must match
    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
    Device supports TX status socket option.
    Device supports HT-IBSS.
    Device supports SAE with AUTHENTICATE command
    Device supports low priority scan.
    Device supports scan flush.
    Device supports AP scan.
    Device supports per-vif TX power setting
    Driver supports full state transitions for AP/GO clients
    Driver supports a userspace MPM
    Device supports active monitor (which will ACK incoming frames)
    Device supports configuring vdev MAC-addr on create.
    max # scan plans: 1
    max scan plan interval: -1
    max scan plan iterations: 0
    Supported TX frame types:
         * IBSS: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
         * managed: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
         * AP: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
         * AP/VLAN: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
         * mesh point: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
         * P2P-client: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
         * P2P-GO: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
         * P2P-device: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
    Supported RX frame types:
         * IBSS: 0x40 0xb0 0xc0 0xd0
         * managed: 0x40 0xb0 0xd0
         * AP: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
         * AP/VLAN: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
         * mesh point: 0xb0 0xc0 0xd0
         * P2P-client: 0x40 0xd0
         * P2P-GO: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
         * P2P-device: 0x40 0xd0
    Supported extended features:
        * [ VHT_IBSS ]: VHT-IBSS
        * [ RRM ]: RRM
        * [ FILS_STA ]: STA FILS (Fast Initial Link Setup)
        * [ CQM_RSSI_LIST ]: multiple CQM_RSSI_THOLD records
        * [ CONTROL_PORT_OVER_NL80211 ]: control port over nl80211
        * [ TXQS ]: FQ-CoDel-enabled intermediate TXQs
        * [ AIRTIME_FAIRNESS ]: airtime fairness scheduling
        * [ AQL ]: Airtime Queue Limits (AQL)
        * [ SCAN_RANDOM_SN ]: use random sequence numbers in scans
        * [ SCAN_MIN_PREQ_CONTENT ]: use probe request with only rate IEs in scans
        * [ 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
$ sudo iwlist wlx08bfb849ed0a channel
wlx08bfb849ed0a  32 channels in total; available frequencies :
          Channel 01 : 2.412 GHz
          Channel 02 : 2.417 GHz
          Channel 03 : 2.422 GHz
          Channel 04 : 2.427 GHz
          Channel 05 : 2.432 GHz
          Channel 06 : 2.437 GHz
          Channel 07 : 2.442 GHz
          Channel 08 : 2.447 GHz
          Channel 09 : 2.452 GHz
          Channel 10 : 2.457 GHz
          Channel 11 : 2.462 GHz
          Channel 12 : 2.467 GHz
          Channel 13 : 2.472 GHz
          Channel 14 : 2.484 GHz
          Channel 36 : 5.18 GHz
          Channel 40 : 5.2 GHz
          Channel 44 : 5.22 GHz
          Channel 48 : 5.24 GHz
          Channel 52 : 5.26 GHz
          Channel 56 : 5.28 GHz
          Channel 60 : 5.3 GHz
          Channel 64 : 5.32 GHz
          Channel 100 : 5.5 GHz
          Channel 104 : 5.52 GHz
          Channel 108 : 5.54 GHz
          Channel 112 : 5.56 GHz
          Channel 116 : 5.58 GHz
          Channel 120 : 5.6 GHz
          Channel 124 : 5.62 GHz
          Channel 128 : 5.64 GHz
          Channel 132 : 5.66 GHz
          Channel 136 : 5.68 GHz
ZerBea commented 9 months ago

Regulatory domain "country 00: DFS-UNSET" is the highest restriction. Nearly everything (frequencies, tx power and scan mode is restricted. To get benefit of all capabilities of the devise, it is mandatory to change the regulatory domain (sudo iw reg set xx - where xx is the country code.

Using iw to set the regulatory domain is not persistent. To make it persistent it is mandatory to change the configuration in /etc. The exact location of the configuration file depend on your distribution, e.g. on Arch Linux: /etc/conf.d/wireless-regdom.

It is also mandatory that crda is installed and the kernel is configured with "CONFIG_CFG80211_CRDA_SUPPORT=y". To retrieve this information run:

$ zcat /proc/config.gz | grep CRDA
CONFIG_CFG80211_CRDA_SUPPORT=y
morrownr commented 9 months ago

@fumin

I have two mt7610u adapters and I have no problem with channel 149. I don't think is an adapter problem. I think @ZerBea is headed the right direction. Something with the regdb or something closely related.

fumin commented 8 months ago

@ZerBea @morrownr Thanks for your kind suggestions. After doing what you said, my MT7610U wifi dongle is working smoothly. Thanks!