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

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 Dow-Key PXI switch modules are manufactured for high performance switching devices used in a PXI switch solution; ideal for ATE in-lab testing or large scaled signal routing and multiplexing. Learn More About Waveguide Switches Search For PXI Switch Modules 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

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