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.

Archived Content

In an effort to keep DHS.gov current, the archive contains outdated information that may not reflect current policy or programs.

TSM Tactical Radios for Urban and Subterranean Environments Experiment Report

The TW-400 CUB TSM™ tactical radio, developed by TrellisWare Technologies Inc., underwent Urban Operational Experimentation (OpEx) on January 26, 2017, by the U.S. Department of Homeland Security (DHS) Science and Technology Directorate (S&T) National Urban Security Technology Laboratory (NUSTL). NUSTL hosts Urban OpEx to introduce new technologies to first responders corresponding to their identified needs, and to provide feedback to technology developers—while sharing results with the national first responder community.

Attachment Ext. Size Date
TSM Tactical Radios for Urban and Subterranean Environments Experiment Report (2018) PDF 1.40 MB 03/29/2018
Last Updated: 01/12/2023
Was this page helpful?
This page was not helpful because the content