New Low-Power WAN (LPWAN) Meets the Need for a Secure, Reliable, and Predictable Internet of Things

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Critical Response Systems adapts its mission-critical communications system to monitor and control the Internet of Things. The new architecture, called IOCAST, brings high levels of reliability, predictability, and security to networks of sensors, controllers, and other low-energy objects.

Critical Response Systems, Inc. (CRS) announces IOCAST, a mission-critical LPWAN for M2M and the Internet of Things. IOCAST leverages CRS’s experience with public safety and hospital communication systems, and brings important new benefits to low-energy connected objects:

  • Dedicated, protected RF channels
  • Field-proven reliability and security
  • Predictable long-range performance
  • Carrier-grade MAC layer

“Certain low-energy WAN applications require mission-critical security and reliability,” states James Dabbs, President of CRS. “Our core architecture, which has powered mission-critical systems for years, meets this requirement. IOCAST optimizes our system interfaces and further reduces our energy footprint to create a compelling price/performance point for secure IoT and M2M applications.”

IOCAST's long-range base stations communicate with large numbers of low energy, connected objects such as sensors and controllers. Whereas unlicensed WAN approaches attempt to manage cross-system RF interference problems in various ways, IOCAST sidesteps the problem entirely. IOCAST ensures reliability and security, protects network investment, and controls cost through dedicated channels and a carrier-grade media access (MAC) layer.

About Critical Response Systems, Inc.

Critical Response Systems provides leading-edge, mission-critical communication systems, focused on narrowband messaging and data. CRS uses the latest technology to ensure information reaches its destination quickly, correctly and reliably. For more information about IOCAST, including APIs, capabilities, architecture, and business case questions, visit

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James Dabbs
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