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Products
- Products
  Spectrum Control EMI Filter Connectors offer US manufacturing and the shortest lead times in the industry
  
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- EMI Protection
  Dual-line EMI filters combine the benefits of two filters in one package saving space and weight
  
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- Components
  We design and manufacture the most advanced line of RF/microwave filters in the industry
  
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- Subsystems
  Use our Butler matrix in a wireless test environment to ensure the signal is optimally conditioned for highest throughput. The new 16×16 channel version can support MIMO (WiFi 7) or multiple lower order devices concurrently.
  
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- Custom Solutions
  From engineering to layout & design to approval process to manufacturing to quality assurance, we can meet and exceed all your thin film requirements.
  
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  - Enabling Technologies
  - Custom Products
- Secure Systems
  Don't ignore the cyber security blind spot. Find out more about our TEMPEST products for both desktop and mobile applications.
  
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Aerospace + Defense
- Aerospace + Defense
  High-power surface acoustic wave (SAW) filters handle power inputs up to +35 dBm with tighter bandwidths and expanded package options.
  
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- Air
- Land
- Sea
- Space
Commercial
- Commercial
  Aerospace highlight... How does 5G Affect Airline Altimeters?
  
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- Wireless Test
- High Temperature
- Healthcare
- Avionics
- Space
About
- About
  CEO VIEW
  
  Rich Sorelle talks about building a new kind of RF company.
  
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- CEO View
- Our Company
- Careers

Spectrum Microwave

A leading designer and manufacturer of high-end RF Components and Integrated Microwave Assemblies (IMA’s) for the defense, aerospace and commercial wireless markets with over 30 years of design and manufacturing experience. Spectrum Microwave provides a total customer satisfaction by manufacturing and delivering the industry’s highest quality RF and Microwave products which consistently meet and exceed our customers expectation for performance price and delivery.

Spectrum Microwave was acquired by APITech in 2011.

RF & Microwave Amplifiers

Custom and semi-custom components and modules utilizing hybrid thick and thin film, chip and wire, and SMT processes with leading edge semiconductor technologies.

RF & Microwave Filters

High performance filter solutions for defense, wireless telecom and space applications with an expertise in the integration of multiple and mixed topologies in a single unit that optimize system performance.

Microelectronics

Custom microelectronic solutions, hybrid assemblies, optoelectronics, SAW, high temperature and multi-chip modules designed and manufactured in the U.S. and U.K.

RF & Microwave Components

RF & Microwave components are easily integrated into existing systems or block diagrams.

Frequency Sources

API offers an extensive design library of low phase noise frequency sources, optimizing the overall design for superior performance and value.

IMAs

IMAs and RF Subsystem Solutions. Designed and Manufactured in the U.S. and U.K.

Patch Antennas

APITech standard off-the-shelf, custom and configurable patch antennas and antenna assemblies with various connector and cable assembly options.

Markets We Serve