EL642/IP sound module
For Nexa push buttons door panels.
IP digital installation.
Audio level and microphone sensitivity regulation.
Privacy on audio and door open progresses.
Electronic call with acoustic acknowledgement signal, confirming the call is in progress, the system is busy or the lock is activated.
Push buttons matrix connection.
Each push button can call to one or several IP addresses (apartment units)
Two relay outputs with selectable activation time.
Includes two push buttons.
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