How to extend your home Wi-Fi using a TP-Link AV600 (AV500 or AV1200) Powerline Wi-Fi Kit - YouTube
Amazon.com: TP-Link Powerline WiFi Extender - Add-on Single Adapter, Ethernet over Powerline, Plug & Play, Compatible with all TP-Link powerline adapters with different speed, AV600 with N300 WiFi(TL-WPA4220) : Everything Else