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Spectrum Control Inc.

Spectrum Control has been a leading designer and manufacturer of high-performance EMI protection products and solutions for the defense, aerospace, industrial, telecommunications, and medical industries for more than 70 years. The complete line of EMI/EMC solutions includes panel mount and board mount EMI filters, filtered interconnects and circular connectors, and chassis mount EMI filters.

In January 2023, API Technologies changed its name to Spectrum Control after originally acquiring the company in 2011. The name Spectrum Control perfectly captures our mission as a company: to help our customers visualize, manage, and control the wireless spectrum. Our products and technologies enable our customers to innovate and create incredible solutions that tap the power of the radio spectrum to protect human life, advance their interests, and run their operations.

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Delivering a broad range of custom and off-the-shelf options to meet your design requirements.
APITech offers a premium line of custom and specialty filtered circular connectors completely intermateable with MIL-DTL-38999 and other military standards.
Ideal to filter AC or DC power entering the system to prevent radiated or conducted EMI
APITech Spectrum Control ceramic capacitors offer performance and cost alternatives to meet varied voltage, capacitance, packaging, and budgetary requirements. Made in the USA.