Description
â– Â Multi-user intercom 4-way kit. Build-in microcomputer-controlled circuit and coding and decoding digital circuit. Only 4 cables for connecting all the units with stable performance and anti-interference function.
â– Â Intercommunication is available between indoor phones with privacy kept.
â– Â Busy line reminding and ring-off indicating
â– Â Centralized power supply.
â– Â Clear voice.
â– Â Maximum talking distance: 300m.
â– Â 4-wire connection.
â– Â Enclosed an adapter.
■ Four interphones    ■ One transformer
■ Four brackets       ■ Screws
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