TP-Link TL-WPA7617 tlwpa7617 Av1000 Gigabit Powerline Ac Wifi Extender for $69.02.
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