• 1 master, 1 duty station, and up to 8" sub stations• Single and dual jack bedside sub stations• Multi-station capability per patient room• Three types of call-ins from sub stations: routine call, bathroom call, and cord-out trouble call• Tone and blinking LEDs indicate priority according to urgency and time of call• NHR-3TS sub station is ideal for common areas• Duty station for call annunciation in separate area