A scout in Tobago uses a Barrett Communications high-frequency radio. (Photo provided by TEMA.) The disaster management agency in the Caribbean island nation of Tobago is bolstering its emergency ...

The Veterans Health Administration lacks a functional, ready-to-operate resilient high-frequency radio network—or RHFRN—for its medical facilities to use in the event of crippling emergencies or ...

The U.S. Department of State has approved the potential sale of portable radio equipment and related gear worth an estimated $1.42 billion to the Netherlands. The global communications business unit ...

Newly purchased radio transmitters were the heroes of the day. Twenty radios came alive with information being received and instructions being disseminated to waiting school officials, administrators ...

Harris Corp., Rochester, New York, has been awarded a $7,999,668 firm-fixed price contract, for AN/PRC-160 radios. This contract provides 264 Harris Corporation High Frequency Falcon III AN/PRC-160 ...

In 2001, the Federal Communications Commission allocated 7 GHz in the 57- to 64-GHz band for unlicensed use. That action, combined with advances in process technologies and wireless communications ...

This article has been updated to reflect that the MUOS constellation will eventually have five satellites, not four as originally reported. The Navy has launched three of five planned satellites for ...

A micromachined spin-wave filter shows how future radios could tune across the 6G spectrum using a single magnetic bias. Study: Spin-wave band-pass filters for 6G ...

A peer-reviewed study published on March 25, 2026, in Nature Communications describes a graphene-based sub-terahertz receiver that operates without external bias power, a design choice the researchers ...