Dial-Type Uncalibrated and Calibrated Waveguide Attenuators (Series 520 & 522)
Mi-Wave’s 520 Series Dial-Type Uncalibrated Variable Waveguide Attenuators and 522 Calibrated Attenuators are available in standard waveguide sizes from 8 to 220 GHz.
Note: Our website contains just a few types of Attenuators we build. Consult with us for your specific needs.
Model | Minimum Frequency (GHz) | Maximum Frequency (GHz) | Insertion Loss at 0 (dB) setting | Attenuation Range (dB) | Power Handling (Watts) | RF Ports | LINK |
---|---|---|---|---|---|---|---|
520K/595 | 18 | 26.5 | 0.3 | 0-30 | 0.3 | WR-42 Waveguide, UG-595/U Flange | |
520(34)/595 | 22 | 33 | 0.3 | 0-25 | 0.3 | WR-34 Waveguide, UG-595/U Flanges | |
520A/599 | 26.5 | 40 | 0.3 | 0-25 | 5.0 | WR-28 Waveguide, UG-599 | |
520B/383 | 33 | 50 | 0.3 | 25 | 5.0 | WR-19 Waveguide, UG-383/U-M Flange | |
520U/383 | 40 | 60 | 0.3 | 0-25 | 4.0 | WR-19 Waveguide, UG-383/U-M Flange | |
520V/385 | 50 | 75 | 0.4 | 0-25 | 3.0 | WR-15 Waveguide, UG-385/U Flange | |
520E/387 | 60 | 90 | 0.4 | 0-25 | 2.0 | WR-12 Waveguide, UG-387/U Flange | |
520W/387 | 75 | 110 | 0.4 | 0-25 | 2.0 | WR-10 Waveguide, UG-387/U-M Flange | |
520F/387 | 90 | 140 | 0.5 | 0-25 | 0.5 | WR-08 Waveguide, UG-387/U-M Flange | |
520D/387 | 110 | 170 | 0.7 | 0-20 | 0.1 | WR-06 Waveguide UG-387/U-M Flange | |
520G/387 | 140 | 220 | 1.0 | 0-25 | 0.2 | WR-08 Waveguide, UG-387/U-M Flange |
Note: Our website contains just a few types of Attenuators we build. Consult with us for your specific needs.

Sales & Quoting
As the manufacturing source, we have top sales engineers ready to answer all your questions and quote you on product needs. You’ll find our prices are some of the best since we manufacture all our millimeter wave products in house.
Have a custom job or unique need? No problem!
Contact us so we can work on solutions to meet your needs.
2007 Gandy Blvd N
Suite 1310
St. Petersburg, FL 33702
Tel: 727-563-0034
Fax: 727-563-0031
Email: [email protected]