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High Performance RF/Microwave

Harsh Environment Ready

Semflex™ produces a large selection of high-performance RF/microwave cables and cable assemblies widely used in defense, aerospace, and high-end commercial applications. For over 40 years, we have delivered unparalleled quality in coaxial cable solutions, designed and manufactured in the USA.

SM Series Conductor

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DKF Cable Assemblies

Semflex™ DKF Cable Assemblies

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HP Flex Bulk Cable

Semflex™ HP Flex Bulk Cable

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Exceeding Requirements

Our high-performance microwave bulk cable and cable assemblies deliver low loss/VSWR, high power handling capacity, superior flexibility, and consistent phase stability, ensuring optimal performance in harsh environment conditions. Designed for temperature and altitude extremes, they boast consistent characteristic impedance and low structural return loss for reliable operation.