Apollo 45681-700 Discovery Addressable Sounder VAD Beacon Base With Isolator

Description

Apollo 45681-700 Discovery Addressable Sounder VAD Beacon Base With Isolator The Apollo 45681-700 is a Discovery protocol combined sounder and VAD beacon base for use on fire alarm system loop circuits.  This device is EN54-23 approved and ideal for alerting hearing impaired persons that the fire alarm system within the building has been activated.