TP-Link 300Mbps AV600 Wi-Fi Powerline Extender Starter Kit - TL-WPA4220TP Link 300Mbps AV600 Wi Fi Powerline Extender Starter Kit (TL WPA4220) is never limited to the primary coverage of your router. With advanced HomePlug AV600, the TL WPA4220 KIT transforms your homes existing electrical circuit into a high speed network with no need for new wires or drilling and brings wired and wireless network to anywhere there is a power outlet. Features HomePlug AV standard providing up to 600Mbps1 high speed data transmission