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Description & Specification
26.5 GHz to 40.0 GHz WR-28 Ka-Band Standard Gain Horn Antenna
Model: HS-028-UBR-15-KF | 15 dBi Gain | Millimeter-Wave Precision
The HS-028-UBR-15-KF is a high-precision Ka-Band Standard Gain Horn Antenna professionally engineered for the WR-28 standard. Operating within the 26.5 GHz to 40.0 GHz millimeter-wave spectrum, this antenna delivers a consistent 15 dBi gain and features a high-fidelity Stainless Steel K-Female (2.92mm) coaxial interface. Equipped with a standardized UG-599/U flange, it ensures transition stability and exceptional Signal Integrity for EMI/EMC testing, direction finding, and serves as a primary calibration device for millimeter-wave antenna systems.
Technical Specifications
Electrical & RF Performance
| Frequency Range | 26.5 GHz to 40.0 GHz (Ka-Band) |
| Waveguide Standard | WR-28 / R320 / WG22 |
| Nominal Gain | 15 dBi |
| V.S.W.R (Max) | 1.25 : 1 |
| -3dB Beamwidth (H-Plane) | 77° (Broad Illumination) |
| -3dB Beamwidth (E-Plane) | 16° (Focused Resolution) |
| Maximum Power Handling | 250 Watts (CW) |
| Impedance | 50 Ohm |
Mechanical & Construction
| Dimensions (W x H x L) | 19.1 x 33.5 x 115 mm |
| Waveguide Flange | UG-599/U Style (UBR) |
| Coaxial Connector | K-Female (2.92mm Stainless Steel) |
| Body Material | High-Grade Machined Aluminum Alloy |
| Manufacturing Origin | Taiwan Design / Made in Taiwan (FT-RF) |
Key Tactical Features
Ka-Band Millimeter-Wave Precision
Optimized for the 26.5-40.0 GHz range, providing the boresight accuracy and uniform gain flatness required for advanced 5G testing and satellite communication analysis.
SUS High-Precision Interface
Utilizes a stainless steel 2.92mm (K) female connector, ensuring repeatable electrical contact and superior mechanical durability in high-frequency laboratory environments.
250W Continuous Stability
Engineered to handle up to 250W CW power while maintaining ultra-low VSWR, providing a reliable radiator for high-intensity laboratory research and industrial radiators.
Expansive H-Plane Coverage
Specialized sectoral flare design yields a massive 77° beamwidth in the H-plane, ideal for broad-area illumination in millimeter-wave susceptibility and Signal Defense testing.
Request a Professional Quote
Contact our engineering team to obtain individual calibration data, customized waterproof builds, or specialized PTZ control integration.
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