Several RF smoke alarms form a group which has the ability to recognise each other's signals. If one of these alarms detects fire, it sends a digitally coded signal to the other alarms which then also sound an alarm. Radio-interlinked smoke alarms are used in larger houses, small commercial premises and wherever there is a risk that not everybody in the building will hear a fire alarm from a different part of the building.
(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.