Vital Alert was invited to submit a technical article for the February 2013 edition of World Coal Magazine which focused on coal mine safety. Mike Roper, Vital Alert’s CTO, authored the article which explains how Canary Through-The-Earth communication technology can be used for voice and text communication during an underground event.
About Vital Alert
Our wireless Through-the-Earth technology uses low frequency, digital electromagnetic induction to deliver secure, real-time voice, text and low speed data.
