TP-LINK Advanced 300Mbps Universal Wi-Fi Range Extender, (TL-WPA4220KIT)
TP-Link AV600 Powerline WiFi Extender - N300 WiFi, Add-on Single Adapter, Ethernet over Powerline, Plug & Play, Compatible with all TP-Link powerline adapters with different speed (TL-WPA4220) - Newegg.com
TP-LINK TL-WPA4220 QUICK INSTALLATION MANUAL Pdf Download | ManualsLib
TP-Link TL-WPA4220 KIT 300Mbps Wireless AV500 Powerline Extender — WE LOVE TEC