System Sensor of St. Charles, Ill., has expanded its SpectrAlert Advance audible/visible notification appliance to include a line of mass notification system (MNS) devices and accessories.

The SpectrAlert advance low-frequency sounders and sounder strobes by System Sensor of St. Charles, Ill., are the first notification appliances to meet the new NFPA 72 2010/2013 low-frequency ...

Gamewell-FCI by Honeywell (NYSE: HON) announces the SpectrAlert® Advance Series of low-frequency fire alarm sounders and sounder strobes to meet National Fire Alarm Association (NFPA) code ...