Call unit BVD-306-4
Personal call button for each subscriber.
Duplex communication between the visitor and the subscriber (up to 80 seconds).
Unlocking the front door lock:
– when you press the button to unlock the lock on the subscriber device;
– when you press the button to exit.
Programmable duration of unlocking the lock (from 1 to 20 seconds).
The ability to connect up to three button panels to increase the number of connected subscribers.
Parallel operation of up to 2 call blocks.
Working with a concierge desk.
Communication “Concierge – Visitor” initiated by the concierge.
Call signal in the subscriber device and duplication of the signal in the call unit for the time the button is pressed.
Volume control of service signals.
Duplex volume control.
Sound and light signaling of operating modes.
Illumination of call buttons and name plates.
Automatic compensation of line resistance, increasing the stability of the voice path.
Possibility of updating the software on site (using the CU-14 interface unit).