Aiphone External Signaling Relay(Model # RY-AC-A)
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- Ring a standard doorbell or activate a separate device when a call is placed from a door station
- LEF-C Series
- In high noise areas or where a light is needed, or to activate a bell, buzzer, or light when calling between handset-type intercoms
- TD-H Series selective calling and paging system
- IE-8 Series selective calling handset system