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Description & Specification
18 GHz to 26.5 GHz K-Band E-plane Sectoral Horn Antenna
Model: HS-042-UBR-15E-KF | WR-42 (R220) | 15 dBi Gain
The HS-042-UBR-15E-KF is a high-precision E-plane Sectoral Waveguide Horn Antenna professionally engineered for the 18 GHz to 26.5 GHz spectrum. Optimized for EMI/EMC Testing, direction finding, and Signal Security operations, it provides a superior 15 dBi gain with a narrow 16° E-plane beamwidth and a wide 78° H-plane coverage. Constructed from high-grade aluminum with a precision K-Female connector, this antenna ensures exceptional Signal Integrity and stability for advanced Signal Defense deployments and gain calibration measurements.
Technical Specifications
Electrical & RF Performance
| Frequency Range | 18 - 26.5 GHz (K-Band) |
| Waveguide Standard | WR-42 / WG20 / R220 |
| Nominal Gain | 15 dBi |
| V.S.W.R (Max) | 1.25 : 1 |
| -3dB Beamwidth (H / E Plane) | 78° / 16° (Sectoral) |
| Maximum Power Handling | 200 Watts (CW) |
| Impedance | 50 Ohm |
Mechanical & Construction
| Dimensions (W x H x L) | 48.78 x 22.4 x 149 mm |
| Net Weight | 70 g |
| Waveguide Flange | UBR Style Flange |
| Material | High-Grade Aluminum Alloy |
| Connector Interface | K-Female (2.92mm) |
| Design & Origin | Taiwan Design / Made in Taiwan (FT-RF) |
Key Tactical & Lab Features
Precision Sectoral Coverage
Advanced E-plane flare design provides a narrow 16° focus while maintaining a 78° H-plane width, essential for localized Signal Security and range calibration.
Superior Signal Integrity
Optimized WR-42 geometry ensures minimal return loss and predictable radiation patterns for mission-critical millimeter-wave measurements.
Rigid K-Band Build
Manufactured from premium aerospace-grade aluminum to ensure long-term structural stability in field-deployed Signal Defense operations.
Consolidated Performance Data
Supported by a comprehensive performance database for accurate system calibration and traceable, repeatable measurement results.
Request a Professional Quote
Contact our engineering team to obtain individual calibration certificates, mechanical drawings, or customized K-Band sectoral flare configurations.
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