SpectraDynamics, Inc. https://spectradynamics.com/
SpectraDynamics, Inc. (SDI) is a Colorado, USA-based company specializing in high performance instrumentation for time and frequency applications. SpectraDynamics, Inc has developed the first commercial cold atom microwave atomic clock. Other products include microwave and low noise frequency synthesizers, low noise frequency distribution amplifiers, and optical to RF synthesizers. Our customers include National Time and Frequency Laboratories, Government Agencies, Universities, Department of Defense Contractors and Telecommunications Companies.