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Interoperable Communication

Last Updated: August 25, 2023 | Publication

P25 ISSI/CSSI Conformance Test Tool Validation CAB

The purpose of this document is to clearly convey the procedures, requirements, and guidance used by the Department of Homeland Security Science & Technology (DHS S&T) P25 Compliance Assessment Program (P25 CAP) for approving and recognizing an Inter-subsystem interface/Console sub-system interface (ISSI/CSSI) Conformance Test Tool (ICCTT) for the conduct of the P25 Compliance assessment.

Last Updated: April 8, 2022 | Site Page

JamX 22

The JamX 22 counter-jamming event was held at White Sands Missile Range in New Mexico from April 25-29, 2022. The event was co-hosted by DHS S&T's Office for Interoperability Technology Center and CISA's Emergency Communications Division, and continued efforts from the 2016 and 2017 First Responder Electronic Jamming Exercises.

Last Updated: February 14, 2022 | 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: February 10, 2022 | Publication

P25 CAP ISSI/CSSI Interoperability Test Requirements CAB

This document replaces the previous ISSI/CSSI Interoperability Test Requirements CAB (October 2019) to add a new Appendix B. This CAB lists interoperability test cases for the P25 Console Subsystem Interface (CSSI) and the P25 Inter-RF Subsystem Interface (ISSI).

Last Updated: June 28, 2021 | Press Releases

News Release: NIST Awards to Commercialize Interoperable Public Safety Communications System

NIST awarded $2,988,950 in a new round of funding for new interoperable communication systems for public safety through its SBIR program, Catalyst Communications Technologies of Forest, Virginia, was provided this Phase III award for commercialization of its interoperable communications solution.

Last Updated: July 29, 2020 | Publication

ST - NGFR - Birmingham Shaken Fury Operational Experimentation Playbook

DHS S&T hosted the NGFR – Birmingham Shaken Fury Operational Experimentation (OpEx) on August 21-22, 2019, at Legion Field Stadium in Birmingham, Alabama, in partnership with regional public safety agencies and technology providers.

Last Updated: July 10, 2020 | Publication

NGFR - Harris County Operational Experimentation Playbook

DHS S&T hosted the NGFR – Harris County Operational Experimentation (OpEx) December 4-5, 2018, at the Port of Houston in Houston, Texas, in partnership with regional public safety agencies and technology providers.

Last Updated: June 13, 2019 | Publication

S&T P25 CAP Public Comment Tables

P25 CAP provides the public with an opportunity to review and comment on Compliance Assessment Bulletins and reporting templates before they are finalized and published. These tables outline comments that were submitted to DHS S&T, along with a response to each comment.

Last Updated: June 5, 2019 | Publication

S&T CAB Testing Rules

DHS is opening a public comment period to review the P25 Compliance Assessment Bulletin (CAB) addressing Testing Rules. DHS S&T has issued multiple P25 CAP Common Air Interface (CAI) Testing Requirements CABs that address communication equipment’s performance, conformance and interoperability.

Last Updated: May 20, 2019 | Publication

S&T SCITI Lab: One Engineering

One Engineering is one of the Unmanned Aerial Systems technology performers for Smart City Internet of Things Innovation (SCITI) labs.