Official websites use .gov A .gov website belongs to an official government organization in the United States. 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. https://www.nist.gov/advanced-communications Secure, reliable, high-speed wireless communications are critical to the economic and national competitiveness of the United States. Advanced communications are enabling dramatic changes in how consumers, manufacturers, governments, and others provide and consume information, transact business, provide and use essential services, and shop, among other tasks. The insatiable societal demand for connectivity will require significant advancements in communication technologies. NIST is currently the U.S. government’s leader in fundamental and applied research, standards and government-academia-industry coordination for advanced communications technologies. Learn more about NIST’s work in advanced communications and NIST leadership in three spaces : Federal engagement in 5G standards development Advanced communications R&D and testing enhanced spectrum Efforts to secure advanced communications NextG: 5G-and-Beyond Technology Spectrum sharing

Key Accomplishments Radio: NIST began operating radio stations more than 100 years ago , initially providing stable frequency signals to promote early development of the field and since then offering many other public benefits, including time signals to synchronize clocks and geophysical alerts for amateur (ham) radio users. Closed captioning: NIST invented TvTime, an Emmy-award-winning method for broadcasting time and frequency information, which evolved into closed captioning. The technology benefits the deaf and hard of hearing and created an industry of suppliers of closed captioning services. Antenna testing: NIST pioneered testing of high-performance antennas — crucial communications tools — for radar, aircraft and satellites. NIST's key contributions to the field included a cost-saving approach and software for computing an antenna's complex outdoor radiation pattern using data collected indoors. News and Updates NIST Publishes Reports on Open Radio Access Network (O-RAN) Security Validating Spectrum in the CBRS Band: From Models to Measurements Enhancing Public Safety Communication Reliability Through 5G Sidelink How Thousands of Tiny Dots Can Save First Responders’ Lives Quantum and Dance: It Takes 2 to Entangle Auld Lang ‘Time’: One of the Country’s Timekeepers Makes Sure We Ring in The New Year at Just the Right Second