TP-LINK TL-WA850RE is designed to conveniently extend the coverage and improve the signal strength of an existing wireless network to eliminate dead zones With 300Mbps wireless N speeds, Range extender button, miniature size and wall mounting design, extending a wireless network has never been easier. What's more, its ethernet port allows the TL-WA850RE to act as a wireless adapter to turn a wired device into a wireless one. Toll free no : 1800 2094 168 Email : support.in@tp-link.com Trouble shooting steps: 1.The extender should be added at a place where the primary router network is available 2.Press WPS button on router (if not supported with WPS then what can be done) 3.Press the RE button the extender