Broadband H-Plane Directional Couplers
Each of Mi-Wave’s 559 Series Broadband Directional Couplers are broadwall multi-hole energy coupling devices. The 559 Series couplers are designed in 7 couplings of 3, 6, 10, 20, 30, 40, and 50 dB are offered to complement specific test set requirements. Other custom configurations are available upon request
The 559 Series Directional Couplers provide an efficient and convenient means for sampling a finite quantity of power flowing in a transmission line or for
injecting a desired signal into the line.
Note: Our website contains just a few types of Couplers we build. Consult with us for your specific needs.
Model | Frequency | Insertion Loss (dB) | Coupling (dB) | Directivity (dB) | VSWR | Ports |
---|---|---|---|---|---|---|
559K-3/595 | 18-26.5 | 1 | 3 | 40 | 1.12 | WR-42 Waveguide, UG-595/U Flange |
559K-6/595 | 18-26.6 | 1 | 6 | 40 | 1.12 | WR-42 Waveguide, UG-595/U Flange |
559K-10/595 | 18-26.7 | 1 | 10 | 40 | 1.12 | WR-42 Waveguide, UG-595/U Flange |
559K-20/595 | 18-26.8 | 1 | 20 | 40 | 1.12 | WR-42 Waveguide, UG-595/U Flange |
559K-30/595 | 18-26.9 | 1 | 30 | 40 | 1.12 | WR-42 Waveguide, UG-595/U Flange |
559K-40/595 | 18-26.10 | 1 | 40 | 40 | 1.12 | WR-42 Waveguide, UG-595/U Flange |
559A-3/599 | 26.5-40 | 1 | 3 | 40 | 1.12 | WR-28 Waveguide, UG-599/U Flange |
559A-6/599 | 26.5-40 | 1 | 6 | 40 | 1.12 | WR-28 Waveguide, UG-599/U Flange |
559A-10/599 | 26.5-40 | 1 | 10 | 40 | 1.12 | WR-28 Waveguide, UG-599/U Flange |
559A-20/599 | 26.5-40 | 1 | 20 | 40 | 1.12 | WR-28 Waveguide, UG-599/U Flange |
559A-30/599 | 26.5-40 | 1 | 30 | 40 | 1.12 | WR-28 Waveguide, UG-599/U Flange |
559A-40/599 | 26.5-40 | 1 | 40 | 40 | 1.12 | WR-28 Waveguide, UG-599/U Flange |
559B-3/719 | 33-50 | 1 | 3 | 40 | 1.12 | WR-22 Waveguide. UG-719/U Flange |
559B-6/383 | 33-50 | 1 | 6 | 40 | 1.12 | WR-22 Waveguide, UG-383/U Flange |
559B-10/383 | 33-50 | 1 | 10 | 40 | 1.12 | WR-22 Waveguide, UG-383/U Flange |
559B-20/383 | 33-50 | 1 | 20 | 40 | 1.12 | WR-22 Waveguide, UG-383/U Flange |
559B-30/383 | 33-50 | 1 | 30 | 40 | 1.12 | WR-22 Waveguide, UG-383/U Flange |
559B-40/383 | 33-50 | 1 | 40 | 40 | 1.12 | WR-22 Waveguide, UG-383/U Flange |
559U-3/383 | 40-60 | 1 | 3 | 40 | 1.15 | WR-19 Waveguide, UG-383/U Flange |
559U-3/383 | 40-60 | 1 | 6 | 40 | 1.15 | WR-19 Waveguide, UG-383/U Flange |
559U-10/383 | 40-60 | 1 | 10 | 40 | 1.15 | WR-19 Waveguide, UG-383/U Flange |
559U-20/383 | 40-60 | 1 | 20 | 40 | 1.15 | WR-19 Waveguide, UG-383/U Flange |
559U-30/383 | 40-60 | 1 | 30 | 40 | 1.15 | WR-19 Waveguide, UG-383/U Flange |
559U-40/383 | 40-60 | 1 | 40 | 40 | 1.15 | WR-19 Waveguide, UG-383/U Flange |
559V-3/385 | 50-75 | 1 | 3 | 40 | 1.15 | WR-15 Waveguide, UG-385/U Flange |
559V-6/385 | 50-75 | 1 | 6 | 40 | 1.15 | WR-15 Waveguide, UG-385/U Flange |
559V-10/385 | 50-75 | 1 | 10 | 40 | 1.15 | WR-15 Waveguide, UG-385/U Flange |
559V-20/385 | 50-75 | 1 | 20 | 40 | 1.15 | WR-15 Waveguide, UG-385/U Flange |
559V-30/385 | 50-75 | 1 | 30 | 40 | 1.15 | WR-15 Waveguide, UG-385/U Flange |
559V-40/385 | 50-75 | 1 | 40 | 40 | 1.15 | WR-15 Waveguide, UG-385/U Flange |
559E-3/387 | 60-90 | 1.5 | 3 | 40 | 1.15 | WR-12 Waveguide, UG-387/U Flange |
559E-6/387 | 60-90 | 1.5 | 6 | 40 | 1.15 | WR-12 Waveguide, UG-387/U Flange |
559E-10/387 | 60-90 | 1.5 | 10 | 40 | 1.15 | WR-12 Waveguide, UG-387/U Flange |
559E-20/387 | 60-90 | 1.5 | 20 | 40 | 1.15 | WR-12 Waveguide, UG-387/U Flange |
559E-30/387 | 60-90 | 1.5 | 30 | 40 | 1.15 | WR-12 Waveguide, UG-387/U Flange |
559E-40/387 | 60-90 | 1.5 | 40 | 40 | 1.15 | WR-12 Waveguide, UG-387/U Flange |
559W-3/387 | 75-110 | 1.5 | 3 | 40 | 1.17 | WR-10 Waveguide, UG-387/U Flange |
559W-6/387 | 75-110 | 1.5 | 6 | 40 | 1.17 | WR-10 Waveguide, UG-387/U Flange |
559W-10/387 | 75-110 | 1.5 | 10 | 40 | 1.17 | WR-10 Waveguide, UG-387/U Flange |
559W-20/387 | 75-110 | 1.5 | 20 | 40 | 1.17 | WR-10 Waveguide, UG-387/U Flange |
559W-30/387 | 75-110 | 1.5 | 30 | 40 | 1.17 | WR-10 Waveguide, UG-387/U Flange |
559W-40/387 | 75-110 | 1.5 | 40 | 40 | 1.17 | WR-10 Waveguide, UG-387/U Flange |
Note: Our website contains just a few types of Couplers 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]