TP-Link AV1000 Powerline Ethernet Adapter Add-On Unit TL-PA7017
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
TP-Link TL-PA411KIT AV500 Mini Powerline Adapter Starter Kit - Newegg.com
TL-WPA4220 TP-LINK 300Mbps Wireless AV500 Powerline Extender 500Mbps Powerline Datarate 2 Fast Ethernet ports HomePlug AV Plug and Play WiFi Clone
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