Best known for the Spectrum Control™ line of coaxial Electromagnetic Interference (EMI) components. The company also offers a wide range of ceramics, connectors, and magnetics for use in a variety of defense, aerospace, industrial, energy, commercial, and consumer applications. API-EIS also provides comprehensive EMI testing services. Other featured product brands include: Filtran™, Keytronics™ and RTI Electronics™.





Teledyne Storm Microwave: RF/Microwave coax cables, cable assemblies, and adaptors through 50 GHz. Phase matched, phase stable, ruggedized, armored, and other high performance coax assemblies including multi-channel harnesses. Space qualified cable assemblies.



Teledyne Reynolds: Specializes in high reliability, high voltage interconnection products for use up to 75 KV in military, aerospace, industrial and medical applications. Other product lines include high voltage capacitive voltage multipliers, transient protection devices, precision ordnance products, ceramic-to-metal high voltage assemblies and complex encapsulated electronic modules. Custom interconnection designs are available including hybrid assemblies with almost any combination of low voltage, high voltage and fiber optic contacts.   




Quartz Crystals ranging from standard microprocessor to custom tight stability and automotive specifications, available in through hole and SMD packaging.

Crystal Clock Oscillators offered in standard and high frequency, low jitter specifications. Precision Oscillators including VCXO, TCXO, OCXO, VCO and PLLs designed to customer specifications to meet a wide spectrum of electrical and environmental requirements. Synchronization Modules offering complete timing solutions for GPS Disciplined Clock Synchronization

for Telecom and Broadcasting networks. SAW Filters and Resonators for wireless applications Crystal Filters and Ceramic Resonators in through hole and surface mount packages for a wide range of consumer applications.

LTCC Filters, Baluns and Chip Antennas for wireless applications.


Antennas for wireless applications – chip, patch active and passive, dipole, segment, dome, PCB and helical.



Tekmos: A fabless semiconductor company which designs and manufacturers ASICs to provide companies the best solutions for bridging the gap between standard parts and a completed finished product. Our complete product line contains IoT  - Small Form Factor w/ Stacked Die, Digital and Mixed Signal ASICs, FPGA Conversions, Microcontrollers – Mature Devices and Specialty Memories.