a network within a residence or other building , including both wired and non - wired segments . the wired segments are based on new or existing wires in the building , wherein access to the wires is provided by means of outlets , such as a telephone system , electrical power distribution system , or cable television wiring system . the non - wired segments are based on communication using propagated waves such as radio , sound , or light . the wired and non - wired segments interface in the outlet , using a module that serves as mediator between the segments . the module can be integrated into the outlet , partially housed in the outlet , or attached externally to the outlet . such a network allows for integrated communication of data units connected by wires and data units connected without wires .