Product Spotlight: Precision Manual Step Attenuators Up to 26.5 GHz

Time:2026-04-09

In the world of RF and microwave testing, precision and repeatability are non-negotiable. Today, we’re highlighting one of our core high-performance components: the Manual Step Attenuator (also known as a Rotary or Drum-type Attenuator).

Designed for engineers who require reliable signal leveling and attenuation in a compact, manual format, this series continues to be a go-to solution for laboratories and field testing worldwide.

 

1, High Frequency, High Precision

 

Our step attenuators are engineered to provide exceptional accuracy across broad frequency bands. Whether you are performing bench-top testing or integrating components into a larger system, these units offer the flexibility you need:

  • Frequency Range: Standard performance up to 26.5 GHz(8GHz, 12.4GHz, 18GHz available).

  • Step Resolution: Precise 1 dB steps for fine-tuned signal control.

  • Attenuation Options:

    • DC – 26.5 GHz: 0 to 69 dB range.

    • DC – 18 GHz: Extended range from 0 to 99 dB.

  • Power Handling: Available in 2W and 5W versions to match your power requirements.

Find the full data sheet here: https://fasnwave.com/wp-content/uploads/FSSAXX-26B2.pdf

 

2, The Ideal Alternative to Industry Standards

 

If your current setup relies on the Aeroflex (Cobham) Model 9004(Contact us for a direct cross-reference sheet), our step attenuators serve as an excellent equivalent. We provide a seamless transition with comparable electrical specifications and mechanical footprints, ensuring that your testing workflow remains uninterrupted.

By choosing our solutions, you benefit from:

  • Proven Reliability: Robust mechanical design capable of thousands of switching cycles.

  • Excellent RF Performance: Low insertion loss and superior VSWR across the entire band.

  • Cost-Effective Support: High-tier performance with competitive pricing and dedicated technical service.

 

3, Ready to Support Your Project

 

Whether you are upgrading an existing test bench or looking for a dependable replacement for legacy components, our team is here to help. Our manual step attenuators are part of our commitment to being your one-stop shop for microwave components.

 

Explore the Full Specs Visit our website (www.fasnwave.com) to download the latest datasheets or contact us today at sales@fasnwave.com for a quick quote.