Reliable GPS Time and Frequency Systems

Our engineering expertise in oscillator & system design ensures that our customers are provided with the most reliable & accurate systems available.

40 Years of Technical Experience

As the pioneering developer and manufacturer of GPS time and frequency systems, FEI-Zyfer offers both commercial-off-the-shelf (COTS) and custom designs to meet our customer requirements for precise time and frequency references. Our engineering expertise in both oscillator and system design ensures that our customers are provided with the most reliable and accurate systems available.

Our customers have the choice of options such as SAASM/M-Code or civilian C/A GPS-referenced designs, Rubidium or OCXO oscillators, and a multitude of time and frequency option modules. If a custom solution is required, we have a proven record of delivering quality solutions quickly for both military and commercial customers.




Industry Leading Design and Manufacturing Expertise

All Products Are Designed, Manufactured and Supported in the USA

Proven, Reliable and Modular System Solutions with a Multitude of Options

Experts in Custom Timing Solutions

Focused on Customer Service and Support - Lifetime Technical Support Included

AS9100D and ISO9001:2015 Certified

Industries We Serve

For over 40 years FEI-Zyfer has been providing quality time and frequency solutions to customers in various industries. Whether you need ruggedized airborne system or a time server to synchronize your local network, FEI-Zyfer has a solution.