Our Vision

Dow-Key Microwave’s vision is to BUILD trust with our partners to ensure their long-term success and to be the leading global provider of the best RF Switch solutions through our product offerings, customer service, and continuous process improvements.

Our Commitment

Dow-Key Microwave is committed to serving your quality and compliance requirements. Our quality management system is AS9100 and ISO-9001 certified, and we have a long record of supplier excellence awards from many of the leading aerospace OEMs. We also offer a wide range of RoHS compliant products.

Commercial Solutions

Dow-Key Microwave has long served the leading aerospace OEMs and Tier 1 avionics integrators with RF/microwave switches and switch system. We design and build our commercial products with a keen appreciation that our components often serve mission-critical applications such as air traffic control and navigation.

Matrix Solutions

Dow-Key Microwave designs and manufactures switch matrices for communications and automated test applications by integrating electromechanical, fiber optic and solid state elements. We optimize our electromechanical switches to meet the most demanding signal conditioning specifications including Low PIM and low insertion loss. Because our matrix platforms are modular, you can install a system that can grow with your application.

Space Solutions

Dow-Key Microwave is the leading supplier of space-qualified coaxial and waveguide switches and switch block assemblies. We have flown on over 200 missions ranging from communications and navigations satellites to the Space Shuttle without a single reported failure. With two clean rooms and a full environmental testing capability including multipaction, passive intermodulation, vibration, thermal shock, and thermal vacuum, Dow-Key is ready to meet your high-reliability specifications.

Custom Solutions

Dow-Key Microwave specializes in custom switch matrix designs to fit your specifications. Whether you require switch components to integrate your own switch matrix or need a turnkey, fully integrated rack system, Dow-Key has the solution.

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2022 Tradeshows & Exhibitions

Paris Space Week

Paris Space Week

Microwave Products Group Booth #TBD

Espace Champerret, France | March 14th – 15th, 2022

Visit Paris Space Week Show Website

Satellite 2022

Satellite 2022

Microwave Products Group Booth #636

Washington, D.C. | March 22nd – 24th, 2022
Walter E. Washington Convention Center

Visit Satellite 2022 Show Website


European Microwave Week 2021

Microwave Products Group Booth #177

London, U.K. |April 4th – 6th, 2022
ExCel London Exhibition & Conference Centre

Visit EuMw Show Website

space symposium

37th Annual Space Symposium

Microwave Products Group Booth #610 

Colorado Springs, CO | April 4th – 7th, 2022
The Broadmoor, Colorado Springs 

Visit the 37th Space Symposium Website

AOC Europe

AOC Europe

Microwave Products Group Booth #B8

Montpellier, France | May 10th – 12th, 2022
Gaylord National Convention Center

Visit AOC’s Europe Show Website

space symposium

International Microwave Symposium (IMS)

Microwave Products Group Booth #6029 

Denver, CO | June 21st – 23rd, 2022
Colorado Convention Center

Visit the International Microwave Symposium Website

AOC International

AOC International Symposium & Convention

Microwave Products Group Booth #253

Washington, D.C. | October 25th – 27th, 2022
Walter E. Washington Convention Center

Visit AOC’s International Show Website

RF and Microwave Switches 

We offer a wide range of solutions: coaxial switches from DC to 40 GHz, waveguide switches up to 70 GHz, switches with Low PIM level, low insertion loss and high repeatability.

Space Qualified Solutions

Space Qualified Solutions

We are the premier supplier and manufacturer of space qualified switches with an in-flight failure free record in over 100 different programs.

Switching Solutions

We offer a wide portfolio of software controlled RF Switching Systems supporting ATE, AVIONICS, SATCOM, SPACE and CUSTOM applications including Low PIM, Low Insertion Loss Repeatability solutions.

Connecting & Protecting People

Explore and Learn

We take pride in education, supporting and sharing our expertise in RF Switching with our customers and community

Standard & In-Stock Parts Lists

For faster delivery, we carry our most popular switches in stock and have programs in place for standard parts which are offered at a lower price and with a shorter lead time.