Cisco-Linksys PLK300 PowerLine AV Ethernet Adapter Kit Use your existing powerlines to network your computers and other devices Share files, printers, storage, and networked games throughout your home -- connect it to a router to share your Cable or DSL Internet connection Easily add more devices to your network by plugging additional adapters into electrical outlets HomePlug AV technology for data rates up to 200Mbps Kit includes one single-port and one four-port adapter