From a device that is connected to the AT&T Wireless Internet network, open the web browser then go to http://att.wirelessinternet. Enter the Admin Login, then click Login. Note: The default admin login is attadmin. The admin login can be found on the bottom of the device.
Click Settings.
Beside Broadcast Network Name (SSID), click Enable to show the network name or click Disable to hide the network name. Note: Disabling the network name does not turn off Wi-Fi, but instead prevents the network from being broadcast and appearing on your connected devices's Wi-Fi network list when scanning.