Linksys extender setup is quite simple. To initiate the setup, visit the extender login page. Extending the WiFi range using Linksys range extenders is a great way to avoid dead spots on WiFi networks. Linksys range extender amplifies the main WiFi router’s signals before passing them on throughout the premise. It increases WiFi signal strength and minimizes penetration loss. First, log into the Linksys extender setup interface at 192.168.1.1.