AIphone DB-1SD series audio SUB master station

AIPhone Hands-free Two-Wire Electric Lock Door Phone SUB Master Station

This audio hands free sub station features an aluminium faceplate and has the capacity to join up to four connecting units to a master station. The system is designed to be ideal for most indoor installations as it features various functions.

These function include door lock release, room call, call tone volume control, receive volume control and a speak now function.

Interior units communicate by placing an All Call announcement to all other units, answering the call from a different point inside creates point-to-point communication.

This device uses four wires between the master and sub station (daisy chain wiring method only) plus two additional core for the power.

Key Features

• Talk button / Hands free communication
• All call button with common talk function
• Adjustable ring tone volume with mute function
• Ring off button