MSHA Approved Installations in US Coal

Coal

 

 

NLT Active Control Technology Inc. (ACT) was tasked with provisioning a remotely supportable integrated system of tracking, voice communications, and wireless networking in operating underground coal mines that met PPL* requirements such as tracking people from 200 to 2000 feet, system redundancy, 2-way communications, and 24-hour battery network backup.

 

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