Frequency Electronics (FEI)
Our Markets
For more than six decades, Frequency Electronics has supported organizations operating in some of the world's most demanding environments. Our precision timing, synchronization, frequency control, atomic clock, and RF/microwave technologies enable mission-critical systems where accuracy, reliability, and resilience are essential.
Markets we serve

Space Systems
Space-qualified timing, frequency generation, and RF/microwave technologies for commercial, civil, and national security space missions.

Defense & National Security
Enabling electronic warfare, radar, intelligence collection, secure communications, and mission-critical defense applications in contested environments.

Navigation & Assured PNT
Delivering resilient positioning, navigation, timing, and synchronization solutions that maintain operational effectiveness when GPS is degraded, denied, or spoofed.

Aerospace
Supporting airborne platforms with high-reliability timing, synchronization, RF, and microwave technologies designed for demanding operational environments.

Critical Infrastructure
Helping government agencies, communications providers, and infrastructure operators maintain accurate timing and synchronization across networks where continuous operation is essential.

Ready to solve your toughest timing challenge?
Speak with FEI engineering. We support defense primes, government agencies, commercial space operators, and critical infrastructure providers worldwide.
