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

IWT's "State-of-the-Art Communications" Part of Mine Emergency Demo

MSHA conducted a large-scale response exercise November 6 and 7, 2015 at Central Plains Cement Company in Sugar Creek, Mo. In addition to numerous response teams, IWT engineers were on hand to support the mine rescue communication and tracking system. 


Latest in Comms & Tracking on Display at 2015 Bluefield Coal Show

Stop by booth 205, 207 for the latest in communications and tracking solutions.



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