The efficient AiPhone DB-1MD HANDS-FREE MASTER STATION is a hands-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.

• 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 is powered by door station without the need for 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