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Description & Specification
WC-42-PBR-E1-KM Waveguide to Coaxial Adapter
K-Band Precision Transition | 2.92mm K-Male Interface | 18.00 – 26.50 GHz
The WC-42-PBR-E1-KM is a high-performance Waveguide to Coaxial Adapter professionally engineered for precision K-Band operations within the 18.00 GHz to 26.50 GHz spectrum. Optimized for professional Signal Security operations and mission-critical microwave links, it features a precision-machined aluminum body and a high-durability Stainless Steel 303 K-Male connector. This adapter ensures low insertion loss and unwavering stability for advanced Signal Defense deployments and high-frequency laboratory measurements, delivering an ultra-stable maximum VSWR profile of 1.25 : 1. Expertly designed and manufactured in Taiwan, it handles up to 220 Watts (CW) of continuous wave power while maintaining exact electromechanical alignment.
Electrical Performance
| Frequency Range | 18.00 - 26.50 GHz (K-Band) |
| Cutoff Frequency (Lowest Mode) | 14.051 GHz |
| V.S.W.R (Max) | 1.25 : 1 |
| Maximum Power Handling | 220 Watts (CW) |
| Impedance | 50 Ohm |
Mechanical & Construction
| Waveguide Standard | WR-42 / R220 / WG20 |
| Waveguide Flange | PBR 220 |
| Coaxial Connector Type | 2.92mm K-Male (Stainless Steel 303) |
| Dimensions (W x H x L) | 22.40 x 22.40 x 43.80 mm |
| Internal Dimensions | 10.668 x 4.318 mm |
| Net Weight (Estimate) | 18.39 g |
| Body Material | High-Grade Machined Aluminum |
| Manufacturing Origin | Taiwan Design / Made in Taiwan (FT-RF) |
220W Power Reliability
Engineered with precision thermal management to handle robust continuous power loads up to 220W, ideal for high-intensity laboratory testing and tactical signal management systems.
Precision Signal Integrity
Optimized internal transition geometry ensures minimal signal reflection and ultra-low insertion loss across the entire 18-26.5 GHz operating spectrum.
Taiwanese Engineering Excellence
Precision designed and manufactured in Taiwan under strict quality controls, providing dependable structural flatness and enduring phase consistency.
Ruggedized SUS 303 Interface
Equipped with a high-durability stainless steel 303 connector to ensure repeatable mechanical coupling and superior electrical stability in demanding field deployments.
Inquire About Professional Waveguide Solutions
Contact our engineering team to obtain individual V.S.W.R plots, customized flange requirements, or integrated RF sub-assembly solutions.
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