D-Link DHP-500AV 500Mbit/s Ethernet LAN White PowerLine network adapter

Powerline 500M AV Ethernet Adapter Blazing speeds and connection from any room in the house, makes this PowerLine AV 500 Adapter ideal for high-bandwidth network-ready devices such as the Boxee Box, Blu-Ray players, Media Players, or Playstation® 3. The built in Quality of Service (QoS) helps prioritizes your traffic flow to make sure your HD Movies are streamed with high priority.
The PowerLine AV 500 Adapter uses electrical wiring that’s already in your house to provide fast reliable Wired speed of up to 500Mbps1, to any room in your house. Simply connect one adapter to an existing outlet2, connect it to your router, and plug another adapter to any other room in your house to get instant High Speed Internet. No more tripping over tangled, messy wires running through your house.