Smoke, Fire & Gas Detection FAQs
How can the alarms interconnect without a cable connection?
Radio-interlinked smoke alarms use a radio frequency to communicate with each other, which replaces the signal cable. When the test button is pressed, or the alarm senses smoke, a radio signal is sent from that alarm to all other alarms in the system, triggering them to sound.
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Reviewed: 14/09/2023 (doc:536 V1.0). Our articles are reviewed regularly. However, any changes made to standards or legislation following the review date will not have been considered. Please note that we provide abridged, easy-to-understand guidance. To make detailed decisions about your fire safety provisions, you might require further advice or need to consult the full standards and legislation.