Nevertheless, according to the manufacturer, scalability can be limited by the maximum range of equipment the technique can help or the utmost signal variety. FireCell relies on “Hub & Cluster” technologies an EMS patented infrastructure which assures highest signal levels and transmission, in the course of any internet site or https://www.thesafetycentre.co.uk/blog/ems-wireless-firecell-systems-from-the-safety-centre/