Customized Production & Assembly Solutions for High-Performance Filters & Subsystems
Trusted by Military and Space industries with 25+ years of proven expertise in rapid prototyping, low-cost production, first-class engineering, and precision manufacturing.
AS9100 & ISO9001 Certified High-Performance Filters and Subsystems Manufacturer
Engineering Excellence. Mastery in Execution.
Q Microwave designs and manufactures cutting-edge off-the-shelf and custom filters and subsystems, delivering optimal signal processing performance and superior durability for Military and Space applications. Our engineers specialize in crafting high-performance components for the most demanding project specifications.
We thoroughly analyze your requirements, rapidly prototype performance-driven and manufacturable designs, and collaborate closely with your team throughout the entire process to adhere to rigorous standards and requirements.
Achieve precision engineering through Q Microwave’s lean manufacturing capabilities:
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Integrated Assemblies
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Up/Down Converters
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Micro-Strip Technology
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Performance-driven Prototyping and Testing
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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
Explore our portfolio of standard off-the-shelf filters, integrated products, and top-of-the-line custom RF filters and subsystems.
Q Microwave’s reputation is built on our commitment to manufacturing precision-engineered products and our dedication to efficient design and production, delivering the highest-quality filters in the shortest possible time. Our average delivery time for prototype filters ranges from two to six weeks, with same-day delivery available for urgent requirements.
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RF Subsystems & Integrated Products
Explore our portfolio of cutting-edge integrated RF subsystem products. Our engineering team leverages industry-leading RF filter technologies to deliver exceptional roll-off characteristics and high-Q performance, even for compact subsystems. We offer custom designs for projects with stringent specifications and demanding requirements.





Searching for reliable, high-performance filter and subsystem solutions? Whether your project requires space-level filters or integrated filter products for military applications, we have the expertise and skill set to deliver precisely what is required.

Meet Q Microwave, Your Partner for Uncompromised Filter Quality and Timely Delivery
Q Microwave is a microwave electronics design and manufacturing company that has been delivering cutting-edge solutions for over 25 years. We offer rapid turnaround and cost-effective production of RF and microwave filter products for the wireless and military industries.
What Makes Us Kickass
Highly-Trained Production Team
Top-Notch Engineering Capabilities
Inspired Lean Manufacturing
State of the Art Equipment
Our History
Since our founding in 1998, our team at Q Microwave has dedicated our efforts to designing and manufacturing advanced RF microwave filters. It has been our realized dream to eliminate traditional barriers to RF innovation by fostering close collaborations with our clients, who treat our team and suppliers as extensions of their own.
It is an honor to have been awarded the Electronic Systems Supplier of the Year Award in 2019 for our state-of-the-art equipment and highly trained production team. Your trust helps us to continuously excel in rapid prototyping, manufacturability, and rigorous testing to meet Military and Space standards. Our transparent process guarantees that each phase, from consultation to delivery, meets your requirements, delivering reliable and powerful solutions.
Q Microwave is based in El Cajon, located in San Diego's East County region. The area's strong wireless community provides access to highly trained engineers and advanced technological capabilities. We’re ready to make your next project kick-ass!


Our Award-Winning Product Lines
Browse our portfolio of award-winning microwave filters.
Q Microwave has extensive experience designing and fabricating high-performance miniature microwave filters from 20 MHz to 20 GHz, leveraging advanced technologies and precision-driven manufacturing techniques. Our core product capabilities include miniature filters, diplexers, and multiplexers, available in various package types.
Topologies | Types | Transform Functions |
Lumped element |
Bandpass Lowpass Highpass Bandreject |
Chebychev |
Trusted by Industry Leaders Like



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.
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