Communications & Tracking

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The Smart Choice in Underground Communications

Our communications and tracking systems excel underground. Engineered to be highly reliable and extremely durable, they require little maintenance and make work safer and easier. The low cost of ownership make IWT systems the smart choice in comms and tracking.


The newest generation of durable, user-friendly intrinsically safe wireless communications and tracking provides major productivity gains in mining operations.

  • Easy installation and maintenance
  • Redundant wireless mesh network
  • Up to 2500 feet between nodes


In compliance with the MINER Act, IWT's first generation wireless communications and tracking system, ACCOLADE, provides outstanding voice, text, and tracking for underground senarios.

  • Redundant wireless mesh network
  • Clear voice quality
  • Intrinsically safe

Mine Rescue System

IWT's Mine Rescue system is built on the incredibly reliable SENTINEL system, and meets the demands of MSHA MEO and other mine rescue teams everywhere.

  • Lightweight, fast deployment
  • Voice, text, tracking in one handset
  • Atmospheric and video monitoring

Longwall Bleeder System

The Longwall Bleeder System comprises a lightweight infrastructure node that provides voice, text, and tracking in bleeders based on the reliable SENTINEL system.

  • Lightweight, wireless package
  • Fast, easy deployment
  • Up to six months on two C batteries

Latest Mining News/Press

Join IWT at MINExpo International 2016

Stop by the Appalachia USA Pavilion South Hall, Booth 29505 to learn about our latest in underground, integrated  communications, tracking and data analytics.  Be sure to check out the Coal Session at 10:15 a.m. in the Upper Concourse as IWT's CEO Eric Hansen discusses Cost Optimization for Network Services. 

IWT CEO Eric Hansen to Speak at J.A. Holmes Safety Seminar

IWT's CEO Eric Hansen to Present at 2016 J.A. Holmes Safety Association Seminar



Our comms & tracking systems address scenarios in both mining and tunneling.


SENTINEL provides voice, text, tracking, atmospheric monitoring, performance metrics, and more in many underground and mining industries.

  • Coal Mining
  • Hard Rock Mining
  • Nickel Mining
  • Gold Mining
  • Tunnels
Best communications apparatus we have seen, it exceeded our expectations”
— Arch Coal, MERD