Waveguide to Coax Adapter | Inline Adapters & Transitions | 8.2GHz – 110GHz

Mi-Wave’s 411 Inline Waveguide to Coaxial Adapter allows an efficient method of adapting from a rectangular waveguide to an in-line coaxial connector. Full waveguide bands are available from 8.2 to 110 GHz. Our new design and manufacturing process allows for Low insertion losses and VSWR’s for these adapters.

  • Frequency Ranges 8.2 to 110 GHz
  • Wide Variety of Coax Connectors Available
  • High-Performance Versions for Laboratory Use.

Choose your frequency below:

Note: Consult with factory for specific band frequency

Waveguide to Coax Adapter (Inline)

If you are looking for a quality-built waveguide products, then use  Millimeter wave products Inc. We specialize in manufacturing the highest quality standard Waveguide to Coax Adapter for many needs.

The 411 Series Waveguide to Coax Adapter is available in a wide variety of connectors. We can manufacture to any custom size or specification, please consult Mi-Wave for further information.

NOTE: We carry and make many types of adapters

-End Launch to Coaxial Adapters

-Flange Adapters

-Bulkhead Adapters

consult with our team to help you out!

How to Order

Order your end launch to waveguide coax adapter by providing us with.


Specify RF Band


Specify Flange


Specify Connector


Technical Specifictions for end launch waveguide to coax adapter


Model Number 411KU 411KU 411(WR-34) 411A 411B 411U 411V 411E 411W
Frequency Band (GHz) 12.4–18.0 18.0–26.5 22.0–33.0 26.5–40.0 33.0–50.0 40.0–60.0 50.0–75.0 60.0–90.0 95–110.0
Waveguide WR-62 WR-42 WR-34 WR-28 WR-22 WR-19 WR-15 WR-12 WR-10
Flange UG-419/U UG-595/U UG-595/UM UG-599/U UG-599/U UG-383/UM UG-385/U UG-387/U UG-387/U
Standard Connectors N, SMA 2.92–2.4 2.92–2.4 2.92, 2.4 2.92, 2.4 2.92, 2.4 1.85, 1.0 1.0 1.0
Available 2.92, 2.4 2.0 1.85,1.0 2.0 1.85, 1.0 1.85, 1.0 1.0 1.0 1.0
Insertion (Loss) (dB) (typ) .3 .3 .3 .4 .7 .7 .7 1.0 1.0
VSWR (typical) 1.5:1 1.5:1 1.5:1 1.5:1 1.5:1 1.5:1 1.5:1 <1.5:1 <1.5:1

Frequently Asked Questions for Waveguide to Coax Adapter.

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