FireClass Addressable Open Class Beacon Sounder Red Indoor FC410LPBS-R EN54- 23 Approved | Addressable Fire Alarm Sounder and Beacons | Fire Security UK Limited
How Pulse Alert Beacons can Help You Meet Standard EN54-23 – Klaxon @ FIREX 2015
EN 54-23 standard for visual alarm - Pfannenberg
Opal Addressable EN54-23 Base Sounder VAD: Notifier Fire Systems
FireClass News Item
SIRAY / SIRAYL / SIRAY+BSLC SOUNDERS | Cofem
Visual alarm devices - Introduction to EN 54-23
BF432C/CC/W ActiV O-R-3-2.5-17 Conventional Base VAD c/w 96dB(A) Sndr