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 leadings 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 mulipaction, passive intermodulation, vibration, thermal shock, and thermal vacuum, Dow-Key is ready to meet your high-reliability specifications.

Custom Solutions

垫Dow-Key微波专门定制的开关rix 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.

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

我们是英超供应商和马努facturer 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.

Explore and Learn

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

Standard Parts List and Stock

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.

Latest News

Dow-Key Microwave at the NAB Show

Dow-Key is attending the NAB Show in Las Vegas, Nevada from April 7 - 10 NAB Show is an annual trade show produced by the National Association of Broadcasters. With more than 93,000 attendees and 1,550 exhibitors. NAB Show is one-stop shopping for new and established...

Communication Optimization

Our mission is to assist RF communcations integrators in fielding first time successes.

Contact Business Development

The Dow-Key Business Development team is a highly qualified group of engineers who can relate to your design problems and provide expert assistance. They make sure you get the right components at the right time and price.

Please fill out this quick form and a member of our team will reach out to you. You can also reach a member of the team at:

We look forward to connecting with you.