Position detectors in acceptable spots to prevent areas at risk of Fake triggers, such as kitchens or loos. FireCell is based on “Hub & Cluster” technology an EMS patented infrastructure which guarantees utmost sign degrees and transmission, during any web site or developing. The method is certified to EN54-twenty five, https://www.thesafetycentre.co.uk/blog/ems-wireless-firecell-systems-from-the-safety-centre/