Vital Alert completes its four-year study for the National Institute of Occupational Safety and Health (NIOSH) to measure and report underground background noise.
This Vital Alert study will be used by various U.S. agencies to better understand underground background noise at various frequencies in the radio spectrum.
Our wireless Through-the-Earth technology uses low frequency, digital electromagnetic induction to deliver secure, real-time voice, text and low speed data.
Vital Alert’s Canary products provide solutions for a diverse range of communication challenges delivering both day-to-day and/or critical backup communications.
