Critical Frequency Design

Defense and Space ManufacturingFlorida, United States11-50 Employees

Critical Frequency Design is a defense and space manufacturing company based in Melbourne, Florida, focusing on advanced photonics communications and sensing solutions for warfighters operating in contested airborne and terrestrial environments. Its offerings aim to enable secure, high-speed communications with low probability of intercept and detection, leveraging microwave photonics and free-space optics to perform under jammed conditions while aiming for improved performance with reduced size, weight, and power. The firm emphasizes Sensor Open Systems Architecture compliance and positions itself to deliver mission-critical capabilities through an agile team spanning engineering, manufacturing, supply chain, and program management.

The company serves military and defense-related customers requiring robust communications and sensing solutions for challenging operational environments. Recent activity includes demonstrations of its free-space optical communications system and integration of its components with other defense architectures, reflecting a focus on expanding interoperability and field-ready capabilities. CFD operates from Melbourne, Florida, and has publicly announced organizational developments and product launches in 2025, underscoring its ongoing growth within the defense photonics sector.

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