The PROSPERO Public Address System operates ona standard IP network and uses B/S architecture. Theserver-side of its master control software is installedon a PC running the Windows Server operatingsystem and operates as a Windows service in thebackground, controlling and monitoring allPROSPERO device components. Full functionality ofthe broadcast software is available through the PRPLSSWsystem software license authorization, whichis provided in the form of a USB dongle that can beinserted into any of the PC's USB ports prior tobooting the host PC.