First recorded test with the Advanced MX4 2 loop panel running the house system. This video contains beacons. Devices tested: Apollo Discovery Multisensor
Its an Apollo 45681-265APO Intelligent sounder base, mine was made circa early 2000s and comes up on the panel as a Series 90 loop sounder base, so I guess both? The Intelligents and S90 sounder bases were superseded and replaced by the XP95 Integrated base sounders 45681-277APO.
