Even so, dependant upon the producer, scalability could be restricted by the most amount of units the method can support or the most sign assortment. FireCell is based on “Hub & Cluster” technological know-how an EMS patented infrastructure which ensures maximum sign ranges and transmission, throughout any web-site or creating. https://www.thesafetycentre.co.uk/blog/ems-wireless-firecell-systems-from-the-safety-centre/