Aiphone DB-1MD DB Series Audio Intercom Master Station

• • Used with the DA series door stations
  • Up to 5 stations per door call button (1 master, 4 subs)
  • All Call between stations in same residence
  • Internal communication can be hands-free (VOX) or push-to-talk (PTT)
  • Door release power by door station
  • Call tone volume control with mute indicator
  • Receive volume control
  • Optional Call Extension sounder
  • Simple two-wire connection for intercom and door release (wiring to door)