Name: AV-LF--Low Frequency (520 Hz) Sounders Intro
Uploaded: 2014-05-15T21:07:08.000Z
Duration: T1M46S
Description: What is a low frequency (520Hz) device? How is it more effective than a standard 3Kz tone? Rebecca Peterson, System Sensor's AV Product Marketing Manager, provides a low frequency (520Hz) overview.