FEI-Zyfer designs and manufactures standard and custom GPS-disciplined time and frequency reference system s for use in government, military and commercial-grade terrestrial, maritime and airborne applications requiring high-precision/high-reliability Position, Navigation and Timing (PNT) services. Expertise in integrated PNT technologies enables us to design products with the precise feature set needed to meet custom er's system performance objectives, while also meeting stringent program delivery schedules and cost constraints. FEI-Zyfer is an GPS Directorate-approved SA ASM Host Application Equipment (HAE) integrator, and ISO 9001:2008 certified.