TP-Link TL-WA855RE TL-WA855RE V1 User Guide - Page 21

On the Extended Network page, you can change and hide the wireless network name (SSID) of the extender, as well as enable or disable the wireless network of the extender. 1. Launch a web browser and log into http://tplinkrepeater.net, then go to Settings > Wireless > Extended Network page. 2. Either click Copy Host SSID or create a new name using up to 32 characters for the extended 2.4GHz nework. The SSID is case-sensitive. Secure the Extended Network Change your Admin Account 1. Launch a web browser and log into http://tplinkrepeater.net, then go to Settings > System Tools > Admin Account page. 2. Create a new username and password as shown in the figure below. 3. Select the Hide SSID broadcast checkbox if you want to hide the extender's SSID from the wireless devices. If you want to connect to the hiden SSID, please enter the SSID and the password manaully. 4. Click Save to save the settings.  Old Username / Password：Enter your current username / password.  New Username / Password: Enter your new username / pawword.  Confirm Password: Re-enter your new password. 3. Click Save to save the settings. Manage the Extended Network and Security Settings