low tx power m7610e #216
Comments
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root@OpenWrt:~# cat /sys/kernel/debug/ieee80211/phy0/mt76/txpower |
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@leksmax : what device are you running? Could you please provide device eeprom partition? |
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@leksmax are you referring to 2GHz or 5GHz band? |
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@LorenzoBianconi i am referring stock 5g and mt76 driver 5g |
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maybe sombady know how use fem sky11 in this driver ? |
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with this driver wifi on mt7610 work well |
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@leksmax ok, I will take a look, thx |
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maybe i need turn on gpio to FEM working ? |
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@LorenzoBianconi What is the probability that in the near future Fem support will appear for this chip? |
Could you please try to make a diff between MT7610E-V10-FEM.bin and device eeprom partition? (just wifi part) |
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@LorenzoBianconi |
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Similar issue with TP-LINK Archer T2UH (mt7610u). TX power limited to 16.0 dBm. |
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could you please try this repo? https://github.com/LorenzoBianconi/wireless-drivers-next/tree/mt76x0_init_target_power |
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Doesn't work (kernel 4.20.3 / 5.0-rc3 - INTEL core system, AMD Ryzen not tested because of iommu issue as described here https://bugzilla.kernel.org/show_bug.cgi?id=202241): Eprom not read correctly: Also, driver crashed under heavy load. Wiphy phy2 |
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Doesn't work (kernel 4.20.3 / 5.0-rc3 - INTEL core system, AMD Ryzen not
tested because of iommu issue as described here
https://bugzilla.kernel.org/show_bug.cgi?id=202241):
phy#1
Interface wlp0s20f0u3
ifindex 4
wdev 0x100000001
addr da:20:99:ff:c0:34
type managed
txpower 14.00 dBm
shown: 14.00 dBm, but real tx power is much less.
Eprom not read correctly:
* 2484 MHz [14] (disabled)
Also, driver crashed under heavy load.
Described from here:
https://bugzilla.kernel.org/show_bug.cgi?id=202243#c89
up to here:
https://bugzilla.kernel.org/show_bug.cgi?id=202243#c102
Wiphy phy2
max # scan SSIDs: 4
max scan IEs length: 2243 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 RSN-IBSS.
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
Supported interface modes:
* managed
* monitor
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: 4 usec (0x05)
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] (14.0 dBm)
* 2417 MHz [2] (14.0 dBm)
* 2422 MHz [3] (14.0 dBm)
* 2427 MHz [4] (14.0 dBm)
* 2432 MHz [5] (14.0 dBm)
* 2437 MHz [6] (14.0 dBm)
* 2442 MHz [7] (14.0 dBm)
* 2447 MHz [8] (14.0 dBm)
* 2452 MHz [9] (14.0 dBm)
* 2457 MHz [10] (14.0 dBm)
* 2462 MHz [11] (14.0 dBm)
* 2467 MHz [12] (14.0 dBm)
* 2472 MHz [13] (14.0 dBm)
* 2484 MHz [14] (disabled)
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: 4 usec (0x05)
HT TX/RX MCS rate indexes supported: 0-7
VHT Capabilities (0x01800120):
Max MPDU length: 3895
Supported Channel Width: neither 160 nor 80+80
short GI (80 MHz)
VHT RX MCS set:
1 streams: MCS 0-7
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 0-7
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] (17.0 dBm)
* 5200 MHz [40] (17.0 dBm)
* 5220 MHz [44] (17.0 dBm)
* 5240 MHz [48] (17.0 dBm)
* 5260 MHz [52] (17.0 dBm) (radar detection)
* 5280 MHz [56] (17.0 dBm) (radar detection)
* 5300 MHz [60] (17.0 dBm) (radar detection)
* 5320 MHz [64] (17.0 dBm) (radar detection)
* 5500 MHz [100] (17.0 dBm) (radar detection)
* 5520 MHz [104] (17.0 dBm) (radar detection)
* 5540 MHz [108] (17.0 dBm) (radar detection)
* 5560 MHz [112] (17.0 dBm) (radar detection)
* 5580 MHz [116] (17.0 dBm) (radar detection)
* 5600 MHz [120] (17.0 dBm) (radar detection)
* 5620 MHz [124] (17.0 dBm) (radar detection)
* 5640 MHz [128] (17.0 dBm) (radar detection)
* 5660 MHz [132] (17.0 dBm) (radar detection)
* 5680 MHz [136] (17.0 dBm) (radar detection)
* 5700 MHz [140] (17.0 dBm) (radar detection)
* 5745 MHz [149] (17.0 dBm)
* 5765 MHz [153] (17.0 dBm)
* 5785 MHz [157] (17.0 dBm)
* 5805 MHz [161] (17.0 dBm)
* 5825 MHz [165] (17.0 dBm)
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
* set_tx_bitrate_mask
* frame
* frame_wait_cancel
* set_wiphy_netns
* set_channel
* set_wds_peer
* probe_client
* set_noack_map
* register_beacons
* start_p2p_device
* set_mcast_rate
* connect
* disconnect
* set_qos_map
* set_multicast_to_unicast
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 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
software interface modes (can always be added):
* monitor
interface combinations are not supported
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.
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Are you using usb device or PCIe one?
Could you please provide the output of:
- cat /sys/kernel/debug/ieee80211/phy0/mt76/txpower
- cat /sys/kernel/debug/ieee80211/phy0/mt76/rate_txpower
Regards,
Lorenzo
…--
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USB device: |
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and the other values: /sys/kernel/debug/ieee80211/phy1/mt76/rate_txpower looking not good, so far. running the first tests using iw and hcxdumptool |
I have device with mt7610e (tplink c2), but have no idea how to use this for openwrt? makefiile of mt76 is just a link to git (openwrt/mt76), so should I fork that and apply last few commits form there to it myself? |
Could you please provide me your eeprom data (/sys/kernel/debug/ieee80211/phy0/mt76/eeprom)? |
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Of course: and linux- firmware is from: |
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Hi Lorenzo. $ iw phy1 info $ iw dev the real tx output is still much lower than 20.0 dBm BTW: |
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Also channel 14 isn't disabled, as from the driver reported:
phy#1 $ hcxdumptool -i wlp0s20f0u1 -C tx output power is the same as on ch 1...13 |
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@LorenzoBianconi here we go: /sys/kernel/debug/ieee80211/phy1/mt76/txpower /sys/kernel/debug/ieee80211/phy1/mt76/rate_txpower Interface wlp0s20f0u3 /sys/kernel/debug/ieee80211/phy1/mt76/txpower /sys/kernel/debug/ieee80211/phy1/mt76/rate_txpower Please do not wonder about "type monitor". I'm using hcxdumptool to set channel. |
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To make sure, we retrieve correct eeprom values from this driver |
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Today I got the new devices. This are the values of the ASUS USB AC51: Interface wlp0s20f0u3 /sys/kernel/debug/ieee80211/phy1/mt76/rate_txpower /sys/kernel/debug/ieee80211/phy1/mt76/txpower Interface wlp0s20f0u3 /sys/kernel/debug/ieee80211/phy1/mt76/rate_txpower /sys/kernel/debug/ieee80211/phy1/mt76/txpower Compared to the values of the T2UH, we can assume the that driver issue is only partly VENDOR specific. |
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it looks like ZerBea's bug is fixed but what about original bug for mt7610e? |
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I'm going to look at it ... |
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I have the same problem with 5GHz in the D-link DWR-118 A1 which have MediaTek MT7610E chip. On OpenWrt the 5GHz the signal is very weak. On original firmware, a signal is very good. From a distance, 8 meters have 20ms ping and 80Mbps download. |
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Hi, the same issue is on every device with MT76xxx chipset. 5GHz support only works with very very low power. I tried this on Archer C20i, Archer C2, Lenovo Y1 alias Newifi Mini. They are all very very weak on 5 GHz independet on the values in the software. Actually I was able to selebt (398mW) which should be 26dbm in Luci, but no diffrence to lower values. - It is really annoying, because there is no proper device beside some very selected Atheros chipsets which work on Openwrt and most newer devices always have MT- or Realteak-Chipsets. - So it should pretty soon come a solution. - There are already some patches which should work, but it's a mess to compile it with them. Look here: https://www.kickstarter.com/projects/1327597961/better-support-for-mt7620a-n-in-openwrt-lede https://code.dopame.me/veonik/openwrt-mirror/commit/cb6a8aa584a2be62aeac9b5b1573303d5615c672 |
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Guys, just a question to situate myself: are you testing using the mt76 driver or the mt6710e 'unnoficial' MediaTek feed or similar ? I have been trying over and over with mt76 from Snapshot version with zero improvements and I'm willing to perhaps try a different one and be able to report something different. Let me know which one is the best to try currently. |
Recently (like less then a month ago) @apr456 discovered a extra mt76 init settings, that used in mediatek mt7610e driver and not used in mt76, and a patch for it. |
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No need for a fork, just use the latest version with my fix for that issue |
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@nbd168 I have updated about 2 days ago to SNAPSHOT, r10307-629e653 and 4.14.128+2019-03-27-a11b6734-1 but the result seems pretty much what it has always been. The signal for 5 Ghz seems very weak in the same room and only work 1 meter or so from the router (using it on Auto or trying to set it manually). |
it's really fresh. like 8 hours ago fresh. |
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The fix was pushed today, shortly before the issue was closed. You can
check the commits on the repo.
A terça, 25/06/2019, 21:52, Fernando Frediani <[email protected]>
escreveu:
… @nbd168 <https://github.com/nbd168> I have updated about 2 days ago to
SNAPSHOT, r10307-629e653 and 4.14.128+2019-03-27-a11b6734-1 but the result
seems pretty much what it has always been. The signal for 5 Ghz seems very
weak in the same room and only work 1 meter or so from the router (using it
on Auto or trying to set it manually).
Was the fix pushed after this version or should this have been fixed
already ?
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Thanks folks. |
root@OpenWrt:~# iw phy
Wiphy phy1
max # scan SSIDs: 4
max scan IEs length: 2257 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 long limit: 2
Coverage class: 0 (up to 0m)
Available Antennas: TX 0 RX 0
Supported interface modes:
* IBSS
* managed
* AP
* AP/VLAN
* monitor
* mesh point
Band 1:
Capabilities: 0x2fe
HT20/HT40
SM Power Save disabled
RX Greenfield
RX HT20 SGI
RX HT40 SGI
TX STBC
RX STBC 2-streams
Max AMSDU length: 3839 bytes
No DSSS/CCK HT40
Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
Minimum RX AMPDU time spacing: 2 usec (0x04)
HT TX/RX MCS rate indexes supported: 0-15, 32
Frequencies:
* 2412 MHz [1] (20.0 dBm)
* 2417 MHz [2] (20.0 dBm)
* 2422 MHz [3] (20.0 dBm)
* 2427 MHz [4] (20.0 dBm)
* 2432 MHz [5] (20.0 dBm)
* 2437 MHz [6] (20.0 dBm)
* 2442 MHz [7] (20.0 dBm)
* 2447 MHz [8] (20.0 dBm)
* 2452 MHz [9] (20.0 dBm)
* 2457 MHz [10] (20.0 dBm)
* 2462 MHz [11] (20.0 dBm)
* 2467 MHz [12] (20.0 dBm) (no IR)
* 2472 MHz [13] (20.0 dBm) (no IR)
* 2484 MHz [14] (20.0 dBm) (no IR)
valid interface combinations:
* #{ managed, AP, mesh point } <= 8,
total <= 8, #channels <= 1
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
Wiphy phy0
max # scan SSIDs: 4
max scan IEs length: 2243 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)
Available Antennas: TX 0x1 RX 0x1
Supported interface modes:
* IBSS
* managed
* AP
* AP/VLAN
* monitor
* mesh point
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: 4 usec (0x05)
HT TX/RX MCS rate indexes supported: 0-7
Frequencies:
* 2412 MHz [1] (20.0 dBm)
* 2417 MHz [2] (20.0 dBm)
* 2422 MHz [3] (20.0 dBm)
* 2427 MHz [4] (20.0 dBm)
* 2432 MHz [5] (20.0 dBm)
* 2437 MHz [6] (20.0 dBm)
* 2442 MHz [7] (20.0 dBm)
* 2447 MHz [8] (20.0 dBm)
* 2452 MHz [9] (20.0 dBm)
* 2457 MHz [10] (20.0 dBm)
* 2462 MHz [11] (20.0 dBm)
* 2467 MHz [12] (20.0 dBm) (no IR)
* 2472 MHz [13] (20.0 dBm) (no IR)
* 2484 MHz [14] (20.0 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: 4 usec (0x05)
HT TX/RX MCS rate indexes supported: 0-7
VHT Capabilities (0x01800120):
Max MPDU length: 3895
Supported Channel Width: neither 160 nor 80+80
short GI (80 MHz)
VHT RX MCS set:
1 streams: MCS 0-7
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 0-7
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
Frequencies:
* 5180 MHz [36] (20.0 dBm)
* 5200 MHz [40] (20.0 dBm)
* 5220 MHz [44] (20.0 dBm)
* 5240 MHz [48] (20.0 dBm)
* 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)
* 5745 MHz [149] (20.0 dBm) (no IR)
* 5765 MHz [153] (20.0 dBm) (no IR)
* 5785 MHz [157] (20.0 dBm) (no IR)
* 5805 MHz [161] (20.0 dBm) (no IR)
* 5825 MHz [165] (20.0 dBm) (no IR)
valid interface combinations:
* #{ IBSS } <= 1, #{ managed, AP, mesh point } <= 8,
total <= 8, #channels <= 1, STA/AP BI must match, radar detect widths: { 20 MHz (no HT), 20 MHz, 40 MHz, 80 MHz }
root@OpenWrt:
# iw# iwinfoiw iwinfo
root@OpenWrt:
wlan0 ESSID: "OpenWrt_5g"
Access Point: 00:0C:43:26:60:60
Mode: Master Channel: 36 (5.180 GHz)
Tx-Power: 11 dBm Link Quality: 21/70
Signal: -89 dBm Noise: unknown
Bit Rate: 58.5 MBit/s
Encryption: WPA2 PSK (CCMP)
Type: nl80211 HW Mode(s): 802.11bgnac
Hardware: 14C3:7650 14C3:7650 [Generic MAC80211]
TX power offset: unknown
Frequency offset: unknown
Supports VAPs: yes PHY name: phy0
wlan1 ESSID: "OpenWrt"
Access Point: 00:0C:43:76:20:20
Mode: Master Channel: 11 (2.462 GHz)
Tx-Power: 20 dBm Link Quality: 48/70
Signal: -62 dBm Noise: unknown
Bit Rate: 57.8 MBit/s
Encryption: WPA2 PSK (CCMP)
Type: nl80211 HW Mode(s): 802.11bgn
Hardware: unknown [Generic MAC80211]
TX power offset: unknown
Frequency offset: unknown
Supports VAPs: yes PHY name: phy1
root@OpenWrt:~# iwinfo
in stock i have 20dBm
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