Product Description
Maury Microwave K233A Waveguide Adapter – WR42 to K-F (Female) Precision Transition, 18-26.5 GHz
This used Maury Microwave K233A is a precision waveguide-to-coaxial adapter designed for high-frequency test and measurement applications in the 18 to 26.5 GHz frequency range (K-Band) . It transitions from WR42 waveguide to a precision K-F (female) coaxial connector .
Maury Microwave is a recognized manufacturer of high-quality RF and microwave calibration and measurement components, including waveguide to coaxial adapters. The K233A is specifically an “EL” (end launch) type adapter . This component is essential for integrating waveguide-based devices (such as filters, couplers, or antennas) with coaxial test equipment like vector network analyzers (VNAs) or spectrum analyzers.
The K233A is the female connector variant (K-F) of the pair; the K233B model is the male connector (K-M) version .
Condition Note: This unit is untested and sold as-is. It is a precision component. No coaxial cable, gaskets, or mounting hardware are included unless specified.
Key Specifications
| Specification | Details |
|---|---|
| Manufacturer | Maury Microwave Corporation |
| Model | K233A |
| Type | Waveguide to Coaxial Adapter (EL – End Launch) |
| Waveguide Size | WR42 |
| Coaxial Connector | K-F (2.92mm K-Type Female) |
| Frequency Range | 18 – 26.5 GHz (K-Band) |
| Application | Precision test and measurement |
| Condition | Used – Untested |
Applications
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VNA Calibration: Used in test setups for calibrating vector network analyzers
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K-Band Component Testing: Connecting waveguide devices (filters, couplers) to coaxial test ports
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Radar and Satellite Systems: Interface for testing K-band hardware
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Research & Development: Precision measurements in microwave engineering labs
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Test Bench Integration: Bridging waveguide-only devices with standard coaxial test equipment









