Follow these directions to disable the Wifi.
1. Connect to the dongle’s wifi with your laptop or smart phone. The SSID and password can be found on the dongle, remove the cover off to see it.
2. Once you have connected to the Wifi, open a browser and go to 192.168.0.1 the password is admin and click login.
3. Click on settings under Wi-Fi
4. Under Wi-Fi Switch select disable and select Apply on the bottom
Wifi should be disable now.