AiPhone DB-1MD this is ahands free master station, has a 2 wire system, a door release and enables a press and talk operation, as well as a user-optional button function, and a mute call tone w/ indicator.

Features:

• Call extension sounder
• Talk button
• Off button
• Receives volume control
• User friendly design
• Internal communication can be hands-free (VOX) or push-to-talk (PTT)
• Door release powered by door station without the need of an additional transformer
• Simple two-wire connection for intercom and door release (Door strike wires directly to door station)
• 1, 2, or 4-call door stations for individual or multi-tenant applications

*NEW IN THE BOX
*One Year Warranty