AT&T is moving forward with its nationwide build of a public safety LTE network for the First Responders Network Authority, or FirstNet, equipped with priority and preemption — but the move to a broadband cellular network for first responders isn’t the only technology evolution in public safety.

Mission-critical network communications as a whole are growing rapidly, as both public safety and vertical such as utilities and transportation increasingly seeking secure, IP-based communications that integrate wireless capabilities as well as IoT. RCR Wireless News takes stock of the state of the art and evolution in critical communications, from LTE to TETRA and beyond.

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