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+--- Thread: [PROBLEM] No WiFi 6 with MT7921 USB Wifi stick (/showthread.php?tid=7717)
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No WiFi 6 with MT7921 USB Wifi stick - schwidi - 05-11-2025
I bought a new WiFi USB stick with WiFi 6. Unfortunately, WiFi 4 only works although I am only 2 meters from the Xiaomi 6500 BE router.
It is a MediaTek MT7921 USB WIFI stick that should be compatible with bookworm.
https://de.aliexpress.com/item/1005007076639821.html?spm=a2g0o.order_list.order_list_main.5.36e25c5fOwbCkF&gatewayAdapt=glo2deu
Maybe someone can help me, or there is a driver that I can install with SSH.
RE: No WiFi 6 with MT7921 USB Wifi stick - Nutul - 05-11-2025
Not that this will solve your issue, but being too close to the router does not always mean "better signal"; sometimes has the opposite result...
RE: No WiFi 6 with MT7921 USB Wifi stick - Tim Curtis - 05-11-2025
(05-11-2025, 05:13 PM)schwidi Wrote: I bought a new WiFi USB stick with WiFi 6. Unfortunately, WiFi 4 only works although I am only 2 meters from the Xiaomi 6500 BE router.
It is a MediaTek MT7921 USB WIFI stick that should be compatible with bookworm.
https://de.aliexpress.com/item/1005007076639821.html?spm=a2g0o.order_list.order_list_main.5.36e25c5fOwbCkF&gatewayAdapt=glo2deu
Maybe someone can help me, or there is a driver that I can install with SSH.
Where does it state that its compatible with PiOS Bookworm?
RE: No WiFi 6 with MT7921 USB Wifi stick - schwidi - 05-12-2025
https://github.com/morrownr/USB-WiFi/blob/main/home/USB_WiFi_Chipsets.md
https://github.com/morrownr/USB-WiFi/issues/455
RE: No WiFi 6 with MT7921 USB Wifi stick - Tim Curtis - 05-12-2025
(05-12-2025, 04:58 AM)schwidi Wrote: https://github.com/morrownr/USB-WiFi/blob/main/home/USB_WiFi_Chipsets.md
https://github.com/morrownr/USB-WiFi/issues/455
This link that you provided https://github.com/morrownr/USB-WiFi/issues/455 talks about wifi 6 support so I think your best bet would be to post to that issue. Mention that the Linux kernel version is 6.12.20
RE: No WiFi 6 with MT7921 USB Wifi stick - schwidi - 05-12-2025
OK, thank you.
RE: No WiFi 6 with MT7921 USB Wifi stick - Falco - 05-12-2025
I actually also bought a usb WiFi dongle based on this chipset as well (yet to receive). Apparently it's supported since a way earlier Linux kernel. I'll report back when I have received and tested it.
https://github.com/morrownr/7612u
Edit: not exactly the same dongle i now see. The one I purchased does not do WiFi 6....
7612U vs 7621...
RE: No WiFi 6 with MT7921 USB Wifi stick - schwidi - 05-12-2025
I had a Comfast WiFi Stick with 7612u chip before. Worked perfectly as far as the blue operation LED does not light up.
RE: No WiFi 6 with MT7921 USB Wifi stick - TheOldPresbyope - 05-12-2025
@schwidi
Tim's suggestion is the right one.
Nevertheless, I'm curious. You haven't yet told us actionable details like
- what release of moOde?
- what model Pi?
- what physical USB port is your external adapter plugged into? (note the comments about this in the USB-WIFI reference you provided)
- if this model Pi has an integrated WiFi adapter, then how do you know which adapter is being used in the connection to your Access Point---integrated or external?
What is the output from executing the following command in a terminal window
Code:
iw list | grep CapNote the output from 'iw list' is quite voluminous which is why I suggested grep'ing on just the Cap(abilities). You could instead post the entire output.
Regards,
Kent
RE: No WiFi 6 with MT7921 USB Wifi stick - schwidi - 05-13-2025
1) Version 9.3.3
2) Model 4 2Gb Revision 1.5
3) USB 3.0
4) The internal WLAN is switched off
Last login: Mon May 12 12:10:02 2025 from 192.168.178.29
pi@Moode-Wohnzimmer:~ $ iw list | grep Cap
Capabilities: 0x9ff
HE MAC Capabilities (0x08011a000040):
HE PHY Capabilities: (0x2270ce120dc0b306423f00):
EHT MAC Capabilities (0x0000):
EHT PHY Capabilities: (0x0000000000000000):
HE MAC Capabilities (0x00011a081044):
HE PHY Capabilities: (0x0220ce120000a000000c00):
EHT MAC Capabilities (0x0000):
EHT PHY Capabilities: (0x0000000000000000):
Capabilities: 0x9ff
VHT Capabilities (0x339071b2):
HE MAC Capabilities (0x08011a000040):
HE PHY Capabilities: (0x4470ce120dc0b306423f00):
EHT MAC Capabilities (0x0000):
EHT PHY Capabilities: (0x0000000000000000):
HE MAC Capabilities (0x00011a081044):
HE PHY Capabilities: (0x0420ce120000a000000c00):
EHT MAC Capabilities (0x0000):
EHT PHY Capabilities: (0x0000000000000000):
HE MAC Capabilities (0x08011a000040):
HE PHY Capabilities: (0x4470ce120dc0b306423f00):
EHT MAC Capabilities (0x0000):
EHT PHY Capabilities: (0x0000000000000000):
HE MAC Capabilities (0x00011a081044):
HE PHY Capabilities: (0x0420ce120000a000000c00):
EHT MAC Capabilities (0x0000):
EHT PHY Capabilities: (0x0000000000000000):
HT Capability overrides:
pi@Moode-Wohnzimmer:~ $