Follow the steps below to disable WiFi on your Netgear router:
- Log into the admin GUI on Web by entering http://www.routerlogin.net. in the browser address bar
- Enter the your admin username and password. The default user name and password are admin and password, respectively.
- Click on the Advanced tab
- Click on the Advanced Setup menu and then Wireless Settings
- Uncheck the Enable Wireless Router Radio for both the 2.4GHZ and 5GHZ networks
- Click on Apply