Functions and Features:
* Master Station can call & talk to all substations simultaneously with hold function
* Substation can initiate calls and talks
to Master Station
* Master Station can simultaneously listen-in
(monitor without being heard) to all 4 substations.
* Master Stations with alarm signal output can be connected to Alarm device
* Non-Polarized N+1 wires cable connection between Master Station and Substations.
* Suitable for the use in offices, buildings, schools, plants, cashier desk, parking lot kiosk, elevators, apartment buildings, restaurants,etc,.
* Power Source Included. Model: LB-10-05 DC6V0.5A
* Master Station Dimensions: 140x138x55mm(LxWxH)
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"Master-sub Internal Audio Intercom" are from the Internet, the copyright belongs to the
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