The DB-1MD is an audio only master for the DB series hands-free two-wire door system. This system will support 1 door station with 1, 2 or 4 buttons and up to 5 inside stations per button. The DB-1MD hands-free master features a call tone volume control with mute indicator, receive volume control, All Call button, Talk button, and Off button. It connects via 2 wires to the DA series door station. Up to 4 sub stations can be added to this master and communication is possible between the 5 total stations via the All Call button.
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)
Spec Sheet available - Yes
Operating Temperature (Maximum):
104 F
Operating Temperature (Minimum):
32 F
AC Voltage:
15 Volts
Depth:
1.06 in
Height:
7.28 in
Width:
3.15 in
Product Weight:
0.62 lbs
Communication:
Hands-free (VOX) after TALK button is pressed once, or push-to-talk
Capacity:
1 door (1, 2, or 4 button) 5 stations per call button
Wiring Distance:
Door to master, 1020 feet; master to farthest sub, 330 feet
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