As a powerline Ethernet adapter, it uses the existing power lines installed in a home as a path to transmit digital data, voice, audio and video between devices. Simply plug this AV600 Powerline Wi-Fi Extender into an ordinary AC power outlet, and then your Cable/xDSL broadband connection or existing Ethernet (LAN) network can be easily extended to any other electrical outlet on the same electrical circuit of a house. With powerline data rates of 600 Mbps, full multimedia application can easily be supported throughout the whole house.