Log in to the Device.
Default Settings:
IP: 192.168.1.1
User: admin
Password: 1234
Go to:
Configuration -> Wireless -> AP Management -> AP Group
And press "Add"
Setup the Group Name (in this Example "disabledWiFi") and set the Radios to "Disabled-2G" and "Disabled-5G"
Choose the ZyWall and click on "Edit selected Rule"
Under "Group Setting" choose "disabledWiFi" and click on "OK"
Now click on "Apply" and you should not see the WiFi from the ZyWall anymore.
