TP-Link Single device 500Mbps Powerline Extender, 300Mbps Wi-FI Extender | TP-WPA4220 - Available at Switchcom Distribution
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