Happy Holidays from the Dow-Key team

Dow-Key Microwave will be closed from December 24 through January 4, returning on January 5, 2015.

Latest News More >>

Custom Integrated Solutions


  • We build per your design and specifications
  • We design and manifacture our own electromechanical switches
  • We provide you high quality solutions for a great price
  • Learn More >>
rf switch 4xSP6T Manual & GPIB Controlled Switches
p/n 4501
coaxial switch10x10 Manual & GPIB
Controlled Switches
p/n 5169
microwave switch $95 EA: SPDT, Failsafe,
DC-18 GHz, +12Vdc or +28Vdc coil voltage.



+ Learn More
Dow-Key Microwave Corporation, the world's largest manufacturer of electromechanical RF Switches and RF and Fiber Optic Switching Systems, is part of the Ceramic & Microwave Products (CMP), which is a subsidiary of Dover Corporation. We specialize in Coaxial Switches, Waveguide Switches, Space Qualified Switches, Electromechanical Matrices, Solid State Matrices, Fiber Optic Matrices, PXI Switch Modules, Programmable Delay Lines, Programmable Attenuators, and much more. Specializing in RF Matrix, Switch Matrix, and RF Switches

As a leader in RF technology, Dow-Key offers high performance waveguide switches, coaxial switches, T-switches, Hi-rel switches, and switching systems such as integrated PXI modules, RF matrices (electromechanical, solid state and fiber optics), in addition to, custom switching designs and reliable solutions, as it is required in today's fast paced communication industry. Our products are used in a wide range of different markets, from commerical, military and to space, with applications in ATE, avionics, ground based, satellite communications, broadcasting, hi-rel, and many more. We are specialized in RF technology and custom switching needs. Dow-Key Microwave is AS9100 / ISO-9001:2000 certified and is committed to provide unparalleled customer service, competitive pricing and on-time delivery. Founded in 1945, Dow-Key is the oldest continuously operational RF Relay manufacturer in the United States.

Coaxial Switches

Coaxial switches

are an electromechanical switch made primarily for routing microwave signals/RF energy from one point to another within a transmission line.
Search For Coaxial Switches

Waveguide Switches

Waveguide switches

are electromagnetic switches with hollow circular or rectangular cross-sections and are used for routing RF energy in microwave communications, broadcasting, and in radar applications.
Learn More About Waveguide Switches
Search For Waveguide Switches

Space Qualified Switches

Space Qualified Switches

are used for both manned and unmanned space missions.
Search For Space Qualified Switches

Electromechanical Matrices

Dow-Key integrates larger scaled switching systems using its own coaxial switches (

electromechanical switches

).
Search For Electromechanical Matrices

Solid State Matrices

Dow-Key

solid state matrices

are precision made switching systems, manufactured using solid state switches.
Search For Solid State Matrices

RF Matrix

A flexible, yet modular system architecture comprised of a series of brackets, panels and electronic-boards that are universal among all Dow-Key electromechanical models.
Learn More About RF Matrix

Fiber Optic Matrices

Dow-Key

fiber optic matrices

are designed to switch signals in pure optical domain with the use of MEMS switches.
Search For Fiber Optic Matrices

PXI Switch Modules Alternatives

PXI switch modules

are manufactured for high performance switching devices used in a PXI switch solution, we now offer alternative solutions such as the Electromechanical matrix product line.
Search For Electromechanical matrix products

Programmable Delay Lines

Programmable Delay Lines

are programmable devices are designed to delay RF input signals up to 200ns maximum with a minimum step size starting at 10 ps. Dow-Key produces the highest quality, and most reliable programmable delay lines and offers them in a variety of delays.
Search For Programmable Delay Lines

Programmable Attenuators

Dow-Key

programmable digital-controlled, solid state attenuators

are designed for adjusting (reducing) the amplitude of RF signal with fast switching time.
Search For Programmable Attenuators

Archived Products

Can't find what you have been looking for? Our

Archived Products

section will help you find information regarding retired Dow-Key products.
Search For Archived Products

RF Switch

Electro-mechanical and solid-state, coaxial switches for a wide range of RF and microwave applications. We have extensive experience with commercial, Military, Avionics and Space markets.
Learn More About RF Switch

Search this site for: rf switch, rf relay, SPDT switch, 1x2 switch, DPDT switch, transfer switch, SP3T switch, SP4T switch, SP5T switch, SP6T switch, SP7T switch, SP8T switch, SP9T switch, SP10T switch, SP12T switch, SP14T switch, SP3T coaxial switch, SP4T coaxial switch, SP5T coaxial switch, SP6T coaxial switch, SP7T coaxial switch, SP8T coaxial switch, SP9T coaxial switch, SP10T coaxial switch, SP12Tcoaxial switch, SP14T coaxial switch, 40 Ghz switch, coaxial relay, switch matrix, coaxial switch, coaxial relay, L-band matrix, L-band switch, VHF-band matrix, VHF-band switch, IF-band matrix, If-band switch, HF-band matrix, HF-band switch, C-band matrix, Ka-band matrix, Ku-band matrix, waveguide, waveguide switch, space switch, space relay, hi-rel switch, space waveguide, and much more.