RJMSFIRE - go to router setup page using its IP address. Something like: http://192.168.0.1 (see router manual). Type it in your browser and press enter. Then you'll be prompted to login. If nobody has change the login credential, it should be factory default: again, see the router's manual. After logging in, there should be a page (you'll have to find) on Wireless settings. There, you can select to turn off wireless radio altogether.