U.S. flag

An official website of the United States government

Government Website

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Safely connect using HTTPS

Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

  1. Home
  2. About DHS
  3. Site Links
  4. Keywords
  5. Emergency Communication

Emergency Communication

Last Updated: | Blog

Shelter from the Storm(s)

S&T is working alongside the Department of Energy, Army Corps of Engineers, Army Ground Vehicle Systems Center, and Cummins Inc. to design H2Rescue—a hydrogen fuel cell-powered truck that will serve as a lifeline to responders and community members during response and recovery efforts.

Last Updated: | Press Releases

Feature Article: Unmanned Vehicles Could Lead in Dangerous Rescue Situations

S&T-funded technology could soon assist first responders with assessing disaster scenes and delivering lifesaving supplies and communications to survivors.

Last Updated: | Press Releases

S&T Awards Small Business Contract for Vehicle Alerting Technology

DHS S&T announced it awarded $100,000 to Corner Alliance, Inc., to enhance emergency alerts from first responders to drivers on the road during emergencies.

Last Updated: | Press Releases

DHS Wraps Up Jamming Exercise to Strengthen First Responder Communications

DHS S&T and CISA hosted JamX 22, an exercise to counter electronic jamming at White Sands Missile Range with federal, state, local and industry participants.

Last Updated: | Press Releases

Feature Article: S&T’s Team Awareness Kit Expands Its Reach

The operational use of S&T's TAK technology continues to grow, as a new iOS version is now available as a free download on Apple’s App Store.

Last Updated: | Press Releases

iTAK Now Available on App Store

The iTAK app is a geospatial mapping tool that first responders can use to see each other’s locations, and communicate and coordinate better.

Last Updated: | Site Page

Jamming

The Department of Homeland Security (DHS) Science and Technology Directorate (S&T) works to combat jamming threats by evaluating the threat, developing and testing mitigation technologies and tactics, working with public safety agencies to update training procedures, and raising awareness of jamming threats and reporting channels. S&T is committed to increasing communications resilience by making first responders safer and more aware of jamming and its potential impact to their communications, safety and ability to execute their mission.

Last Updated: | Publication

S&T JamX 22: Counter-Jamming Event Factsheet

JamX 22 continues S&T's work and findings from the 2016 and 2017 First Responder Electronic Jamming Exercises. Results from JamX 22 will help improve resilient communications training.

Last Updated: | Press Releases

2021: A Strong Year of Progress at the Department of Homeland Security

In the Biden-Harris Administration’s first year, DHS has made tremendous progress in its efforts to protect the American public and administer the laws of our nation. Our efforts to date have strengthened our ability to uphold our laws and our values. We have rescinded policies that do not reflect our values, brought offices back to life, issued new directives, and reconstructed entire operations in order to bolster the security of our nation and the diverse communities we serve. Much work remains, which we approach with energy and optimism.

Last Updated: | Press Releases

Feature Article: S&T Tests FirstNet Push-to-Talk App in Real-World Scenarios

S&T ensures that first responders and DHS can exchange information such as voice, video or data through any medium and that interoperability across agencies is paramount upon transition to broadband communications networks, including FirstNet.