E-Spectrum’s 20-year reputation of excellence for supplying and developing high quality, fit-for-purpose products for oil & gas and governmental markets is now available in the emergency mine communications sector as well.  The Rescue Dog Emergency Communication System™ relies on our patented through-the-earth technology that allows our systems to operate over longer distances, maintain a smaller physical footprint, and cost substantially less than our competitors' products.

For metal/nonmetal underground mining applications, the Rescue Dog HR™ system is now available for purchase through MineARC Systems.

The Rescue Dog XP™ is MSHA approved for use in coalmines.

The Rescue Dog Emergency Communication System™ and associated equipment are sold through our distributor MineARC Systems.  They can provide on-site demonstrations as well as complete sales, pricing, and availability information.

E-Spectrum is also available to consult with you on system-level design requirements for mining communication applications.  Contact us if you have requirements for engineering design services.  

Rescue Dog HR, Rescue Dog XP, and Rescue Dog Emergency Communication System are trademarks of E-Spectrum Technolgoies, Incoroporated US Patent No. 8,670,708,  Mine Safety and Health Administration Approval No 23-140001-0


12725 Spectrum Drive

San Antonio, TX  78249


T: (844) 693-8665 (844-MWDTOOL)
F: 210-696-0770

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