Enables ethernet communications via existing house AC wiring. Use to connect Envoy to internet router when dedicated Cat-5 cable is impractical. Package includes two units, each bridge unit plugs into standard AC receptacle, Envoy plugs into one bridge unit, the router plugs into the other. Three LED indicators: AC power, Powerline Comm, and Ethernet Connection Status. (Product-specific installation manual not available, see Envoy-S installation manual for instructions.)