Linksys Powerline AV 1-Port and 4-Port Network Adapter Set (PLSK400-NP) Homeplug AV Technology for data rates up to 200Mbps Easily add more devices to your network by plugging additional adapters into electrical outlets Use your existing powerlines to network your computers and other devices Includes 1 single-port adapter and 1 four-port adapter to connect multiple devices at once