Telegrafia a. s. is a manufacturer and supplier of cutting-edge products and solutions in the field of early warning and notification systems with their own development capacities. The main scope of Telegrafia’s business is: - electronic sirens - compact electronic sirens - mobile electronic sirens - PA systems - specialized Vektra® software for control centres If you are interested in more infomations, don't hesitate to contact us or you can also find more information on Telegrafia website www.telegrafia.eu.