Customized Production & Assembly Solutions for High-Performance Filters & Subsystems
Trusted by Military and Space industries for 25+ years for quick, low-cost production, first-class engineering, and responsive manufacturing.
AS9100 & ISO9001 Certified
Our facility's lean manufacturing capabilities include:
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Integrated Assemblies
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Up/Down Converters
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Micro-Strip Technology
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Collaborative Design Approach
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Rapid Development
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Space Qualified Filters
Tell Us About Your Project - Let's Talk
RF & Microwave Filter Products
We offer customer filters, a line of standard filters, and a wide variety of integrated products. Average delivery time for prototype filters range from two to size weeks with same-day delivery service available in urgent situations.
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RF Subsystems & Integrated Products
We offer a variety of integrated products. Our engineering team leverage our industry-leading RF filter capabilities to provide you with high performance and small size in a variety of subsystem products. All specifications are customizable upon request.





Whether your project requires space-level filters or integrated filter products for military projects, we have the expertise and the skill set to deliver whatever you may need.

About Q Microwave - The Fast Filter Company
Since being established in 1998, Q Microwave has specialized in designing and manufacturing microwave and RF filter products for use in the wireless and military industries. We believe in removing traditional barriers and treating suppliers as an extension of the team in order to build successful partnerships. With state of the art equipment and a highly-trained production team, we’re ready to make your next project kick-ass!
What Makes Us Kickass
Highly-Trained Production Team
Top-Notch Engineering Capabilities
Inspired Lean Manufacturing
State of the Art Equipment
Our Story
Q Microwave is a microwave-electronics design and manufacturing company specializing in quick-turn and low-cast production of microwave / RF filter products for use by the wireless and military industries.
The corporation is located in San Diego’s East County region, in the city of El Cajon. San Diego’s wireless community provides an excellent resource for highly trained personnel and technological capabilities.


Our Award-Winning Product Lines
Q Microwave has broad experience in the design and construction of miniature microwave filters from 20 MHz to 20 GHz using a variety of technologies and manufacturing techniques. Core product capabilities include miniature filters, diplexers, multiplexers built in a range of package types.
Topologies | Types | Transform Functions |
Lumped element |
Bandpass Lowpass Highpass Bandreject |
Chebychev Butterworth Gaussian, to 6 dB, to 12 dB Elliptic |
Trusted By Our Clients
Industry Leaders Choose Q Microwave



Tell us how we can help you with your next project!
Let's connect and discuss tailored production and assembly solutions for our high-performing filters and sub-systems.