Here is the solution:
Launch a web browser from a computer or mobile device that is connected to
your extender's network. ...
If your extender and router use different WiFi network names (SSIDs), type
www.mywifiext.net into the address field of your web browser.
Click or tap Enter. ...
Enter your admin user name and password. ...
Click or tap LOG IN.
For more information visit at:
Netgear Wifi Extender Login