Dow-Key Microwave Corporation is the world's largest manufacturer of electromechanical switches for radio frequency (RF) and microwave applications. Founded in 1945, we are the oldest continuously operating RF/microwave switch manufacturer in the United States and are an operating company within Microwave Products Group (MPG), a subsidiary of Dover Corporation. Dover is also a multi-billion dollar, NYSE-traded, diversified manufacturer of a wide range of proprietary electronic components and systems.

Dow-Key Microwave specializes in the design and manufacture of customized, high-performance coaxial switches, waveguide switches, high-reliability (space) switches (including T-switches and switch blocks). As well as switching systems such as RF matrices (electromechanical, solid state, and fiber optics). We also offer system-level rack integration, programmable attenuators, and delay lines. As a result, our products are used internationally by commercial, military, and government customers in a wide range of applications, including space (launch vehicles, manned vehicles, and satellites), telecommunications, automated test equipment (ATE), avionics, ground-based satellite communications, and broadcasting.

We conduct all of our design, assembly, and test activity within a 36,000-square-foot, state-of-the-art facility. It also, includes two Class 7 clean rooms supporting our high-reliability space and military projects. We also offer a complete range of in-house RF and environmental testing capabilities, including multipaction, passive inter-modulation (PIM), vibration, thermal shock, and thermal vacuum.