Comments (3)
Hi.
I have no experience running a usb wifi adapter in a VM so I have a blind spot there...for now.
Three things come to mind:
- Go into the driver directory and run:
$ sudo ./edit-options.sh
Change rtw_beamform_cap=0
to rtw_beamform_cap=10
and reboot.
- Check your txpower:
$ iw dev
We may need to see about bumping your power up a little if the adapter allows it.
- There is a section of the README called...
Recommended WiFi Router/ Access Point Settings
Take a look and let's discuss it.
Bonus: If you feel like looking at an adapter that is known for long range, take a look at the ALFA AWUS036ACHM. You can find links to it and other adapters at the following repo:
https://github.com/morrownr/USB-WiFi
And there is another bonus in that this ALFA adapter uses an in-kernel driver so no compiling.
Regards
from 88x2bu.
Hello @morrownr,
Thank you very much for your reply and the details.
I have no experience running a usb wifi adapter in a VM so I have a blind spot there...for now.
The WiFi adapter is connected as a pass-through to the VM. I believe there's no or very small difference in terms of performance from the VM's standpoint.
Change
rtw_beamform_cap=0
tortw_beamform_cap=10
and reboot.
I tried changing that configuration and it didn't seem to make any difference after rebooting. I also tried the other possible values and also did not see any difference in the receiver (the WiFi adapter) detecting a stronger signal.
Recommended WiFi Router/ Access Point Settings
Through trial and error attempts, the router had been set to the maximum allowable/legal power a year ago and had also been placed optimally and configured to use the least busy channel. This past weekend, I tried repositioning the router and rechecked to confirm channel 36 is still the least busy. Tried different combinations and even made the situation worse (SSID didn't show up at all).
Bonus: If you feel like looking at an adapter that is known for long range, take a look at the ALFA AWUS036ACHM.
I'm considering whether to invest in that ALFA WiFi adapter or if using a stronger antenna (maybe even a directional one) on the existing adapter would work better. If you've had experience in comparing such, I'd appreciate it if you could share that experience+observations.
Also, have you had experience with ALFA AWUS036ACH (without the "M") that seems to use the RTL8812AU chipset?
Besides the in-kernel driver, is the radio MT7610U in the AWUS036ACHM superior to the RTL8812AU in terms of signal strength?
Thank you again and have a great week!
from 88x2bu.
I'm considering whether to invest in that ALFA WiFi adapter or if using a stronger antenna (maybe even a directional one) on the existing adapter would work better. If you've had experience in comparing such, I'd appreciate it if you could share that experience+observations.
I'll be glad to share. I have considerable experience with USB WiFi adapters.
Also, have you had experience with ALFA AWUS036ACH
Yes, i have one.
. (without the "M") that seems to use the RTL8812AU chipset?
That is correct. The ACH uses the rtl8812au chipset.
Besides the in-kernel driver, is the radio MT7610U in the AWUS036ACHM superior to the RTL8812AU in terms of signal strength?
I can do better than a simple yes. Go to:
https://github.com/morrownr/USB-WiFi
...and read the file called Performance_Comparison.md
The ACHM and ACH both have high quality, very sensitive antennas as well as good internal amps. These two adapters have the longest range of any modern dual band adapters that I have used and tested.
I am curious what kind of numbers you are seeing;
$ sudo apt install wavemon
$ wavemon
from 88x2bu.
Related Issues (20)
- Ubuntu 18.04 work well HOT 2
- Newer driver available at DLINK HOT 1
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- Makefile Error: Raspberry Pi OS (64 bit) support was turned on in Makefile as planned HOT 10
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- May be worth calling out the importance of `rtw_switch_usb_mode` in the README HOT 6
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from 88x2bu.