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Communications Technology Laboratory

CTL promotes the development and deployment of advanced communications technologies through the dissemination of high-quality measurements, data, and research supporting U.S. innovation, industrial competitiveness, and public safety.  

5G Coexistence Testbed for Today’s Challenges and Tomorrow’s Opportunities

The resiliency of the American workforce depends on trusted communications systems now, more than ever...

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CTL Developed  Formula That May Help 5G Be 5000 Times More Efficient

Researchers have developed a mathematical formula that, computer simulations suggest....

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A Responder's Critical Path

CTL's funding is helping to create a tailored-to-public safety navigational platform to support the efficient and safe dispatch of personnel for emergency response...

Our Focus Areas


5G & Beyond
Fundamental Metrology
Spectrum Testing
Public Safety Communications



News and Updates

A Responder's Critical Path

We’ve all come to rely on the navigation apps on our mobile devices to steer our daily itineraries. Within seconds of typing our destination into a blinking

Projects and Programs

Advanced Materials Metrology

In this project we measure the fundamental electrical properties of materials from bulk to nanoscale from 1 MHz to 0.3 THz. Understanding the interaction of

Industry Impacts

Alliance for 5G Networks

The next generation of wireless communications technology will allow many more devices to send information much faster, making possible everything from virtual

First Responder Communications

First responders must be able to communicate during an emergency. Too often in critical situations, communications among public safety agencies are hampered by

Tools and Instruments

LTE Coverage Tool

This experimental application was developed by the National Institute of Standards and Technology (NIST) Public Safety Communications Research Division (PSCR)



Director, Communications Technology Lab and Director, NIST Boulder Laboratory