Domestic communications system door station has transfer device between first functional element and dwelling station, second wireless signal transfer device between functional elements

摘要

Communications system also has at least one dwelling station (10,12) and first signal transfer device (14) for passing signals between door and dwelling stations. Door station (16) has at least first (32) and second (18,20,22,24,26,28,30) functional elements. First functional element exchanges signals with dwelling station via first transfer device and door station has wireless transfer device for transferring signals between functional element.