Frequency Electronics develops precision time and frequency products for space and defense applications. These technologies provide synchronization for satellite navigation, secure communications, radar, and electronic warfare systems. The company’s primary products include satellite payload systems, such as master timing systems and space-qualified clocks, and terrestrial secure communications devices like ruggedized atomic clocks. These products are integrated into satellites, missile systems, and airborne signals intelligence platforms. Frequency Electronics sells its hardware primarily to the U.S. government and large defense prime contractors, including Lockheed Martin, Northrop Grumman, and Boeing. The company operates through two main segments: FEI-NY, which focuses on space and quantum sensing, and FEI-Zyfer, which provides GPS-integrated timing and anti-spoofing solutions. The business model involves both fixed-price and cost-plus contracts, with revenue recognized based on program progress or product shipment. Profitability depends on the mix between initial engineering work and repetitive production programs. Frequency Electronics is currently pursuing a strategy to scale manufacturing for proliferated satellite constellations and expand its offerings in space defense and quantum sensing technologies. The company recently discontinued its RF microwave module business to focus resources on its higher-margin core space and defense opportunities.