A power line Ethernet bridge is a HomePlug device used to extend a LAN
into a separate room using the existing electrical system in the building. An
Ethernet cable from the network router is plugged
into a
bridge, which plugs into an AC wall outlet. In
a separate room, a second bridge plugs into the wall outlet to provide an
Ethernet
port for the computer. Power line Ethernet
bridges are a type of HomePlug device.
See also HomePlug.