WR51 Waveguide Coaxial Adapter Flange: UBR, operating from 15 GHz to 22 GHz, K-Female connector

Model No: WC-51-UBR-KF

Made in Taiwan
Frequency Range: 15.0 to 22.0 GHz
Connector Type: K-Female (2.92mm)
Max Power (W): 280 Watts
Waveguide Size: WR-51 (UBR)
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15.0 GHz to 22.0 GHz WR-51 Waveguide to Coaxial Adapter

Model: WC-51-UBR-KF | K-Female (2.92mm) | 280W High Power
The WC-51-UBR-KF is a high-precision Waveguide to Coaxial Adapter professionally engineered for the WR-51 standard. Operating across the 15.0 GHz to 22.0 GHz frequency range (covering Ku/K-Band), this component ensures an ultra-low-loss transition for superior Signal Integrity. Featuring a high-performance Stainless Steel K-Female (2.92mm) interface and a standardized UBR flange, it is designed to handle up to 280 Watts of continuous power. It is the ideal choice for advanced satellite communications, radar systems, and precision laboratory measurement setups.
Technical Specifications
Electrical & RF Performance
Frequency Range 15.0 to 22.0 GHz
Waveguide Standard WR-51 / R180 / WG19
V.S.W.R (Max) 1.25 : 1
Maximum Power Handling 280 Watts (CW)
Impedance 50 Ohm
Mechanical & Construction
Dimensions (W x H x L) 35.6 x 33.3 x 28 mm
Net Weight 40 g (Precision Lightweight)
Waveguide Flange UBR Style (Rectangular)
Body Material High-Grade Machined Aluminum
Connector Material Passivated Stainless Steel (SUS)
Manufacturing Origin Taiwan Design / Made in Taiwan (FT-RF)
Key Tactical Features

K-Band Millimetric Precision

Optimized for the 15-22 GHz band, providing the robust low-loss transition geometry required for high-fidelity link stability and professional signal management.

Rugged SUS K-Type Interface

Utilizes a precision 2.92mm (K) stainless steel connector, ensuring superior mechanical stability and repeatable electrical performance at high frequencies.

280W Continuous Stability

Robustly engineered to sustain up to 280W of CW power while maintaining low VSWR, making it ideal for intensive laboratory research and tactical field operations.

Standardized UBR Integration

Features a standardized UBR waveguide flange for secure mechanical anchoring, ensuring stable power transfer in professional RF infrastructures and Signal Defense sub-systems.

Request a Professional Quote

Contact our engineering team to obtain individual V.S.W.R plots, customized flange drilling, or alternative waveguide adapter designs.