Having said that, depending on the company, scalability is often limited by the maximum amount of equipment the program can assistance or the maximum sign selection. Wireless fire alarms are a good selection for worksites which could need fire defense but don’t have the chance to hardwire in a program. https://www.thesafetycentre.co.uk/blog/ems-wireless-firecell-systems-from-the-safety-centre/