Aiphone ChimeCom Set, 1 Door, 1 Master Audio Answering System | AIP-C-123L/A liftmaster la412 antenna 0Amp SBPD PatPend Circuit

0Amp SBPD PatPend Circuit

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Aiphone ChimeCom Set, 1 Door, 1 Master Audio Answering System | AIP-C-123L/A liftmaster la412 antenna 0Amp SBPD PatPend CircuitAiphone ChimeCom Set, 1 Door, 1 Master Audio Answering System AIP C 123L A The Aiphone ChimeCom Set, 1 Door, 1 Master Audio Answering System C 123L A is a communication and door entry system designed for residential and small commercial applications. It allows for two way audio communication between a visitor at the door station and the resident or user inside the building. When a visitor presses the call button at the door station, the indoor master