The DB-1SD is a sub master station from Aiphone which is capable of offering high quality hands-free communication for increasing efficiency within a working area. The DB-1SD sub master station comes with a door release, hands-free communication, a mute call tone with indicator, as well a call extension sounder and a press and talk button. The DB-1SD sub master station also offers a 2 wire system, an off button, a receive volume control, plus a compact size. This sub master station is user friendly, easy to install, and offers an affordable price to help save money.

Features

• Used with the DA series door stations
• Up to 5 stations per door call button
• All call between stations in same residence
• 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
• Call tone volume control with mute indicator
• Receive volume control
• Optional call extension sounder
• Backlit directory at door
• 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