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A151 Sirens can be configured into complete systems and have the ability to communicate via RS232/485, TCP/IP, Radio Control (VHF, UHF and Tetra) and can be controlled by either LCD control panel or a software solution.
Because many of the applications are critical alarms, it is essential to know the siren is fully functional at all times.
The A151 sirens have built fault diagnostics and use a silent test function to check all the key features of the siren at pre-determined time intervals (usually every 3 hours).
A choice of warning tones is available together with the option of pre-recorded or live voice and the same control panels can be used to power 100V line loudspeakers for effective warning inside buildings or areas with high background noise levels.
For applications which do not require fault monitoring, a more basic siren (WPAS) is available.