In some cases known as radio fire alarms, these methods utilise radio frequencies to manage all contact points, detectors, and alarm sounders. Without any wires necessary, time it will take to install a wireless system is noticeably reduced, compared to standard fire alarm systems. Environmental Constraints: Harsh temperatures, higher humidity, https://www.thesafetycentre.co.uk/blog/ems-wireless-firecell-systems-from-the-safety-centre/