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Description & Specification
WR-51 Waveguide to Coaxial Adapter
Precision Ku/K-Band Transition | Standard UBR Flange Layout | 15.0 GHz – 22.0 GHz
The WC-51-UBR-KF is a high-precision microwave Waveguide to Coaxial Adapter professionally engineered for strict adherence to the rectangular WR-51 architectural standard. Operating continuously across the 15.0 GHz to 22.0 GHz frequency range (covering critical Ku and K-band segments), this premium transition component ensures stable electromechanical coupling and maximum energy transfer with an exceptionally low nominal V.S.W.R profile of 1.25 : 1. Manufactured from high-grade aluminum alloy in Taiwan, this precision lightweight 40 g adapter features a standardized rectangular UBR Style flange interface mated to a high-durability coaxial K-Female (2.92mm) port with a passivated stainless steel build, safely managing continuous wave power loads up to 280 Watts (CW). This layout makes it the definitive choice for advanced satellite communications, intelligence radar calibration, antenna measurement arrays, wireless testing chambers, and mission-critical Signal Defense sub-systems.
Electrical & RF Performance
| Frequency Range | 15.0 GHz to 22.0 GHz (Ku/K-Band Continuous) |
| V.S.W.R (Max Profile) | ≤ 1.25 : 1 |
| Maximum Power Handling | 280 Watts (CW Continuous Wave) |
| Nominal Impedance | 50 Ohms |
Mechanical & Construction Data
| Waveguide Size Standard | EIA WR-51 (R180 / WG19 Layout) |
| Waveguide Flange Designation | UBR Style Flange Standard Layout (Rectangular Flat Cover) |
| Coaxial Connector Interface | 2.92mm K-Female Port (Precision Grade) |
| Physical Dimensions (W x H x L) | 35.6 x 33.3 x 28 mm |
| Net Weight | 40 g (Precision Lightweight Profile) |
| Body Material Profile | High-Grade Precision Machined Aluminum |
| Connector Interface Material | Passivated Stainless Steel (SUS) |
| Manufacturing Origin | Taiwan Design & Made in Taiwan (FT-RF) |
K-Band Millimetric Precision
Optimized internal transition geometry effectively eliminates mode reflections, ensuring minimal insertion loss and clean mapping flatness across the full 15-22 GHz operating spectrum.
Rugged SUS K-Type Interface
Utilizes a precision 2.92mm (K) passivated stainless steel interface port to provide superior electrical contact stability and long-term wear resistance for repeatable laboratory duty cycles.
Taiwanese Engineering Excellence
Precision designed and manufactured in Taiwan under strict industrial quality control standards, ensuring outstanding mechanical flat tolerances and enduring calibration constancy.
280W Continuous Stability
Precision-engineered to manage continuous transmission loads up to 280W CW safely, making it perfectly suited for intense microwave source interfaces and tactical field deployment setups.
Request a Professional Quote
Contact our technical engineering team today to request certified individual V.S.W.R plots, alternative custom flange drilling patterns, specialized non-reflective treatments, or alternative coaxial ports.
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