





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
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.



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 Introduces New Low PIM Coaxial Switches with N-Type Connectors
Dow-Key Microwave Corporation, the world leader in electromechanical switches, has been providing Low PIM rated coaxial switches to its customers for few years. Today, Dow-Key is excited to announce the next series of Low PIM switches now available with N-type...
Coaxial Switches and Waveguide Switches, Manufacturer of Quality Switches
Matrix Switches, RF Switch Matrices, Solid State RF Switching, Fiber Optic Switching
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Space Qualified Coaxial Switches, Waveguides Switches and Switch Blocks
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:
- 805.650.2328 (Tel)
- 805.650.1734 (Fax)
We look forward to connecting with you.