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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-10-NA | Precision Calibration Grade | 500W High Power
The HS-028-UBR-10-NA is a high-precision Ka-Band Standard Gain Horn Antenna professionally engineered for the WR-28 standard. Operating within the millimeter-wave spectrum of 26.5 GHz to 40.0 GHz, this antenna delivers a consistent and precision-calibrated 10 dBi gain. Featuring a Direct Waveguide Input with a standardized UG-599/U (UBR) flange, it ensures ultra-low-loss power transfer for high-energy applications up to 500 Watts (CW). It is an essential instrument for EMI/EMC testing, satellite research, and precision antenna characterization.
Technical Specifications
Electrical & RF Performance
| Frequency Range | 26.5 GHz to 40.0 GHz (Ka-Band) |
| Waveguide Standard | WR-28 / R320 / WG22 |
| Nominal Gain | 10 dBi |
| V.S.W.R (Max) | 1.3 : 1 |
| -3dB Beamwidth (H-Plane) | 54° (Symmetric Pattern) |
| -3dB Beamwidth (E-Plane) | 54° (Symmetric Pattern) |
| Maximum Power Handling | 500 Watts (CW) |
| Impedance | 50 Ohm |
Mechanical & Construction
| Dimensions (W x H x L) | 19.1 x 19.1 x 33 mm |
| Waveguide Flange | UG-599/U (UBR Style) |
| Body Material | High-Grade Machined Aluminum |
| Input Interface | Direct Waveguide (No Adapter) |
| Manufacturing Origin | Taiwan Design / Made in Taiwan (FT-RF) |
Key Tactical Features
Millimeter-Wave Pattern Stability
Equipped with symmetric 54° beamwidths, providing the ultra-stable radiation pattern necessary for repeatable laboratory measurements, professional 5G testing, and localized Signal Defense verification.
Direct Waveguide Integration
Designed with a direct WR-28 interface for ultra-low-loss power transfer, eliminating transition losses associated with coaxial adapters in high-precision millimetric setups.
500W Continuous Stability
Robustly machined from premium aluminum to handle high 500W CW power loads while maintaining structural integrity during high-intensity Signal Management missions.
Ultra-Compact Architecture
Measuring only 19.1x19.1mm at the aperture, this antenna is ideal for space-constrained measurement setups and high-density frequency scanning arrays.
Request a Professional Quote
Contact our engineering team to obtain individual radiation patterns, specialized PTZ control integration, or customized tripod mounting solutions.
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