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First Responders Group (FRG)

Interworking Mission Critical Push-to-Talk between LTE and LMR Report

(DHS) Science and Technology Directorate (S&T), under its Small Business Innovation and Research program, funded Catalyst Communications Technologies to examine the feasibility of developing a standards-based interworking solution that would enable communications between Land Mobile Radio (LMR) and Long Term Evolution (LTE) systems; and communications between different LMR systems.

ST - First Responder FY 18-19 Capability Gaps

 The capability gaps or Statements of Objectives (SOO) developed as a result of these meetings help determine how S&T engages with business, industry, innovation and academia partners, and ultimately how S&T provides first responders the tools they need to protect communities and stay safe while performing their duties.

Snapshot: HAAS Alert Collision Prevention for Emergency Responders

In an effort to reduce first responder related crashes, S&T is collaborating with a Chicago-based company developing and standardizing C-V2X (cellular vehicle-to-everything) technology that enables emergency response vehicles to send real-time digital alerts to supplement their lights and sirens.

ST-Advanced Decision Support for Public Safety Fact Sheet



To help address the need to reduce preventable distracted driving incidents, DHS S&T has partnered with the Johns Hopkins Applied Physics Laboratory (JHU APL) to apply a system engineering approach for employing an Advanced Decision Support to help reduce preventable distracted driving incidents.

ST-Emergency Vehicle Alert for Civilians and Responders factsheet

DHS S&T has funded a project to develop Responder to Vehicle (R2V) and Responder to Responder (R2R) Emergency Vehicle Alerts. To purpose of these alerts will be to provide a way for first responders to supplement their audio and visual emergency alerts with a digital one.


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