





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 ANNOUNCES NEW C-BAND INTERFERENCE SOLUTIONS
DOW-KEY MICROWAVE ANNOUNCES NEW C-BAND INTERFERENCE SOLUTIONS Dow-Key Microwave, a Microwave Products Group brand and the Leader in Radio Frequency (RF) & Microwave Switch Manufacturing has announced a new variety of C-band SATCOM solutions to completely mitigate...
Switch Solutions for Systems with Low PIM Requirements
Dow-Key Microwave, the Leader in RF/Microwave Switch Manufacturing, Has A New White Paper on Switch Solutions for the Public Dow-Key Microwave Corporation, the leading manufacturer of electromechanical switches for radio frequency (RF) and microwave applications has a...
Miniature MS-Series Matrix (MMS-Series) January
JANUARY TIP OF THE MONTH Did you know Dow-Key Microwave now offers a Mini MS-Series Matrix Matrix built with high-performance Reliant Switch™ product series? Also the Miniature MS-Series Matrix (MMS-Series) has many applications, where RF switches are needed and not...
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:
- 805.650.2328 (Tel)
- 805.650.1734 (Fax)
We look forward to connecting with you.