ubuntu_t3u_driver_wifi.md

Refer to this post

sudo apt update
sudo apt install -y git linux-headers-generic dkms
wget https://github.com/RinCat/RTL88x2BU-Linux-Driver/archive/master.zip
unzip master.zip
cd RTL88x2BU-Linux-Driver-master
sudo make uninstall
make clean
make
sudo make install
sudo modprobe 88x2bu
sudo reboot

Or

cd RTL88x2BU-Linux-Driver-master
sudo dkms add .
sudo dkms autoinstall
sudo reboot

You'll need to install Network-Manager:

sudo apt update && sudo apt install -y network-manager

Then, create Wifi Access Point:

nmcli d wifi hotspot ifname <wifi_iface> ssid <ssid> password <password>

run ip a to determine <wifi_iface>, should be something like wlx....... You name <ssid> and <password>