Patent ID: 7881462

Claim:
A device for coupling a data unit to existing AC power wiring that is at least in part in walls of a building and that is terminated at an AC power outlet, in combination with a cradle for detachable mounting of a handheld unit having a mating connector, said device comprising: an AC power plug for connecting to the AC power wiring via the AC power outlet; a data port for coupling a digital data signal to the data unit; a transceiver coupled between said AC power plug and said data port for bi-directional digital data communication with the data unit; and a single enclosure housing said AC power plug, said data port and said transceiver, wherein said single enclosure is mechanically attachable to the AC power outlet using means other than said AC power plug, and wherein said data port is a connector that is part of said cradle, and said connector connects with the handheld unit mating connector when the handheld unit is mounted in said cradle.