DWA-131 usb wifi adapter not recognizing in RPI4

Hardware Questions and Recommendations
1

Hi, I've been trying so long to convert a raspberry pi 4 into a travel VPN router. I successfully installed OpentWRT and configured the internet access through the builtin Wi-Fi. I tried to add another usb wifi adapter to create an access point for the connected network. But, I tried three different wireless adapter but it doesn't seems to recognise any. Currently I am holding the Dlink DWA-131 adapter and still the same result. I tried
'opkg install kmod-rtl8192cu'
and
'modprobe rtl8192cu'
..
The process was completed and ' dmesg | grep rtl8192cu' gave me this output:
'[ 8.043116] usbcore: registered new interface driver rtl8192cu'

But when I tried 'ifconfig -a', there is no interface for the added usb wifi. Am I doing anything wrong?

2

Realtek and AP is usually a bad combo.

3

is there any other usb adapter you suggest?
I'm trying so hard for this project as it's my university project.

4

You will probably have better luck if you reverse the usage for the two adapters, but the built-in antenna of the Pi is useless. Should at least work tough, assuming you can get the RTL to work, at all.
Have a look at https://github.com/morrownr/USB-WiFi

5

I tried most of these to install the driver, But no luck in any way. The device is not showing up in the interfaces available

6

For academical purposes only...
Make sure you have installed all 3: rtl8192cu-firmware kmod-rtl8192cu kmod-rtl8192c-common
Disconnect your adapter. Run logread -f and plug your adapter in. Post the log generated.

7

Hi, thank you for the advice. I managed to make it work by using RaspAP. The timeline was on my neck and I had to find quick solution. But I'll definitely try to redo this after completing the project. Thank you for the advice guys.

8

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