Plug in the Dnub AT1 236B. Windows will chime and automatically load the driver. Go to Device Manager → Ports (COM & LPT) → You should see “Dnub AT1-236B (COM3).”
Run the .pkg installer. After completion, restart your Mac. Dnub-at1-236b- Driver Download
Before installation, go to System Settings → Privacy & Security → Allow applications from “Dnub Technologies.” Plug in the Dnub AT1 236B
After reboot, you will see a pop-up: “Dnub AT1-236B system extension was blocked.” Click Allow . Then reconnect the USB device. restart your Mac. Before installation
sudo usermod -a -G dialout $USER then log out and back in.