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Description & Specification
18.0 GHz to 26.5 GHz WR-42 H-Plane Sectoral Horn Antenna
Model: HS-042-UBR-10-NA | Fan-Beam Radiation Pattern | 500W High Power
The HS-042-UBR-10-NA is a high-precision WR-42 H-Plane Sectoral Horn Antenna expertly engineered for precision wide-vertical illumination. Operating within the 18.0 GHz to 26.5 GHz spectrum, this antenna delivers a distinct Fan-Beam radiation pattern (12° H-plane x 110° E-plane). Equipped with a direct waveguide input and a standardized UG-419/U (UBR) flange, it ensures low-loss power transfer for high-intensity applications up to 500 Watts (CW). It is an essential instrument for EMI/EMC testing, broad-area surveillance, and precision antenna characterization.
Technical Specifications
Electrical & RF Performance
| Frequency Range | 18.0 GHz to 26.5 GHz (K-Band) |
| Waveguide Standard | WR-42 / R220 / WG20 |
| Nominal Gain | 10 dBi |
| V.S.W.R (Max) | 1.3 : 1 |
| -3dB Beamwidth (H-Plane) | 12° (Narrow Focused) |
| -3dB Beamwidth (E-Plane) | 110° (Expansive Fan-Beam) |
| Maximum Power Handling | 500 Watts (CW) |
| Impedance | 50 Ohm |
Mechanical & Construction
| Dimensions (W x H x L) | 22.4 x 47.48 x 143 mm |
| Waveguide Flange | UG-419/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
Expansive E-Plane Coverage
Specialized sectoral flare yields a massive 110° beamwidth in the vertical plane, ideal for broad-area illumination in EMC susceptibility testing and wide-vertical scanning.
Direct Waveguide Integration
Designed with a direct WR-42 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 Defense testing.
Precision Pattern Stability
Optimized for the 18-26.5 GHz band, ensuring gain flatness and pattern stability required for professional satellite, Signal Management, and microwave link characterization.
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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