Spec Sheet Preview: The Alpha Communications® / TekTone NC200N series audio-visual nurse-call system is designed for health-care applications where voice communication and visual indication is required, with a maximum of one (1) master station per system. When a remote station is activated, the NC200N annunciator will sound an electronic tone and will light, indicating the location of the call. The tone signal can be silenced at the master station (and/ or at the optional LI150B remote duty station(s) for non-emergency calls). The …