You can switch off the yallo Cable Box's Wi-Fi function in the modem's Admin area.

1. Enter the following address in your computer's Internet browser: 192.168.1.1
2. You will find the password on the bottom of your modem under "Settings password".
3. On the left, click on Advanced settings -> Wireless -> Wireless signal.
4. You can deactivate the Wi-Fi settings by setting both the 2.4 GHz frequency band and the 5 GHz frequency band to "deactivate".