WR28 26.5GHz to 40GHz K-Female Waveguide Coaxial Adapter Flange: type01

Model No: WC-28-UBR-A1-KF

Made in Taiwan
Frequency Range: 26.5 GHz - 40 GHz
Waveguide Type: WR28 (Ka-Band)
Connector: K-Female
Dimensions (LxWxH): 19.1 x 20.5 x 26 mm
Stock: 0
2026/06/15
Quantity:
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WR-28 Waveguide to Coaxial Adapter

Precision Ka-Band Transition | Standard Square Flange Layout | 26.5 GHz – 40.0 GHz
This precision-engineered WR-28 Waveguide to Coaxial Adapter provides a seamless, high-fidelity transition between rectangular waveguide paths and coaxial networks within the 26.5 GHz to 40.0 GHz Ka-Band spectrum. Optimized for high-frequency signal processing networks, professional satellite communications, millimetric radar systems, and advanced wireless instrumentation, this premium adapter ensures stable electromechanical coupling and maximum energy transfer with minimum insertion loss. Fully designed and manufactured in Taiwan, this ultra-lightweight 9.93 g component features a precision-machined high-conductivity aluminum body core mated to a premium K-Female (2.92mm) coaxial interface with a robust stainless steel build, safeguarding strict Signal Integrity and repeatable boresight accuracy under continuous laboratory or field-based duty cycles.



Electrical & RF Performance
Frequency Range 26.5 GHz to 40.0 GHz (Ka-Band Spectrum)
Nominal Impedance 50 Ohms
Mechanical & Construction Data
Waveguide Size Standard EIA WR-28 (R320 / WG22 Layout)
Waveguide Flange Designation Standard Square Flange Compatibility Layout
Coaxial Connector Interface K-Female Interface Port (2.92mm Precision Grade)
Physical Dimensions (L x W x H) 19.1 x 20.5 x 26 mm
Net Weight 9.93 g (Ultra-Lightweight Micro-Format Layout)
Body Material Profile High-Conductivity Machined Aluminum Core
Manufacturing Origin Taiwan Design & Made in Taiwan (FT-RF)

 

Ka-Band Signal Integrity

Optimized continuously across the 26.5-40.0 GHz range to provide exceptionally stable mode transitions and minimal signal reflections, ensuring peak power performance in millimetric setups.

Industrial Grade Construction

Precisely machined from premium structural high-conductivity aluminum to comply with international rectangular WR-28 parameters for long-term mechanical leveling and strength.

Taiwanese Engineering Excellence

Precision designed and manufactured by FT-RF in Taiwan under rigid industrial quality control guidelines, ensuring stellar structural tolerances and calibration tracking.

Secure K-Female Interface

Equipped with a high-durability, precision-aligned K-Female connector interface to guarantee secure mechanical nesting, exceptional wear resistance, and repeatable RF traits.

Inquire About Professional RF Solutions

Contact our technical engineering team today to request certified individual V.S.W.R plot metrics, alternative customized flange drilling patterns, or technical deployment documentation.

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