2 Wire Audio Intercom System

2 Wire audio intercom system is for 1- 4 apartments use. The whole system is powered by one din rail power adaptor, there is no need to plug every indoor units and outdoor units, it is more convenient for installers to install the system. Every apartment can have more than 1 indoor unit and support internal call in one apartment. The door can be opened by indoor unit remotely, outdoor unit can support magnetic lock or electronic lock, and it is IP65 waterproof perfermance.

Specification and datasheet:

1. 2 wire bus system, indoor unit and outdoor station are powered by din rial power supply

2. Indoor handset has unlock function

3. outdoor unit is metal housing, and IP65 waterproof rate.

System wiring diagram:

Packing details:

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