St. Charles, IL - System Sensor's SpectrAlert Advance, the industry's newest, most refined series of audible/visible notification appliances, includes indoor and outdoor selectable-output horns ...

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. These ...

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 ...

St. Charles, IL(March 1, 2012) – System Sensor announced that its new SpectrAlert Advance Dual Strobe and Dual Strobe with Speaker Expander Plates can cut costs, simplify installation, and ...

As a result, he said, System Sensor has launched an education campaign to get the word out, and also to let those in the affected regions know that the company's new SpectrAlert Advance low frequency ...

The new SpectrAlert Advance sounders and sounder strobes from Gamewell-FCI produce a low frequency alarm signal centered around 520 Hz. Both devices are UL-listed for wall and ceiling mount ...