L-3 Global Security & Engineering Solutions (L-3 GS&ES) offers the L-3 ACCOLADE Wireless Mesh mine communications system for underground coal mines. This system was generated under a competitively awarded research and development contract from the National Institute for Occupational Safety and Health (NIOSH). The ACCOLADE Wireless Mesh system provides a self-healing, redundant, and survivable voice and data network, which allows communication among miners underground (peer-to-peer) and communication between below- and above-ground personnel. The system also provides a real-time situational awareness capability and has the ability to integrate with existing/future mine sensors. The ACCOLADE Wireless Mesh system has the inherent flexibility to integrate with existing wired mine communication systems, including Leaky Feeder and Ethernet, and is tailorable for mines of all sizes.

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