| http://www.w3.org/ns/prov#value | - A device that is part of a local area network in a building for coupling a digital data signal to multiple data units, the local area network including at least part of an existing AC power wiring that is at least in part in walls of the building and is terminated by an outlet, the AC power wiring being connected for carrying the digital data signal frequency multiplexed with an AC power signal ha
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