The 500 Mbps Powerline AV Adapter with Bonus Outlet, model TPL-402E, uses any electrical outlet to create a secure building-wide high speed network. Connect one adapter to your network & plug another adapter into any outlet on your electrical system for instant high speed network access. Never lose an electrical outlet with the built in socket on the front of the adapter. A noise filter maintains optimum connection speeds when everyday household appliances such as toasters, washing machines, & coffee makers create electrical background noise. A Gigabit Ethernet port maintains high performance wired connections. Power save mode reduces power consumption by up to 80%. Advanced AES encryption secures your network. This adapter is compatible with both 120-volt & 240-volt electrical systems & is ideal to be used in buildings that interfere with wireless networking signals.