Linksys Wifi Extender is a device that detects the wireless signal from your router to increase the coverage of your network. It extends the range of your Wifi to reach nonexistent areas and eliminate all the dead zones. Further, Linksys extender comes with Spot Finder Technology that checks the location of your extender for better performance. So to set up your extender from extender.linksys.com, you need to follow the given guidelines carefully.