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Description & Specification
26.5 GHz to 40.0 GHz WR-28 Ka-Band E-Plane Sectoral Horn Antenna
Model: HS-028-UBR-15-NA | Fan-Beam Radiation Pattern | 500W High Power
The HS-028-UBR-15-NA is a precision-engineered WR-28 E-Plane Sectoral Horn Antenna professionally designed for specialized wide-horizontal illumination. Operating within the 26.5 GHz to 40.0 GHz spectrum, this antenna is expertly flared in the E-plane to deliver a distinct Fan-Beam radiation pattern (77° H-plane x 16° E-plane). Equipped with a direct waveguide input and a standardized UG-599/U (UBR) flange, it ensures ultra-low-loss power transfer for high-intensity applications up to 500 Watts (CW). It is an essential instrument for EMI/EMC testing, wide-vertical beam scanning, and precision antenna characterization in Ka-Band environments.
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) | 1.3 : 1 |
| -3dB Beamwidth (H-Plane) | 77° (Expansive Fan-Beam) |
| -3dB Beamwidth (E-Plane) | 16° (Narrow Focused) |
| Maximum Power Handling | 500 Watts (CW) |
| Impedance | 50 Ohm |
Mechanical & Construction
| Dimensions (W x H x L) | 33 x 19.1 x 88.9 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
Expansive H-Plane Coverage
Specialized sectoral flare yields a massive 77° beamwidth in the horizontal plane, ideal for broad-area illumination in EMC susceptibility testing and multi-point Signal Defense surveillance.
Direct Millimeter-Wave Integration
Designed with a direct WR-28 interface for ultra-low-loss power transfer, eliminating transition losses associated with coaxial adapters in high-frequency 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 testing.
Precision Pattern Stability
Optimized for the 26.5-40.0 GHz band, ensuring gain flatness and pattern stability required for professional 5G research, satellite link characterization, and localized monitoring.
Request a Professional Quote
Contact our engineering team to obtain individual radiation patterns, specialized PTZ control integration, or customized waterproof builds.
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| Frequency Range: | 26.5 to 40.0 GHz |
| Standard Gain: | 10 dBi |
| Waveguide Type: | WR-28 (Ka-Band) |
| Max Power (W): | 500 Watts |
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| Frequency Range: | 26.5 to 40.0 GHz |
| Standard Gain: | 10 dBi |
| Antenna Type: | H-Plane Sectoral |
| Max Power (W): | 500 Watts |
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WR28 26.5 GHz to 40 GHz, 15dBi, Flange: UBR Waveguide Input Horn Antenna without adapter
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Made in Taiwan
| Frequency Range: | 26.5 to 40.0 GHz |
| Standard Gain: | 15 dBi |
| Waveguide Type: | WR-28 (Ka-Band) |
| Max Power (W): | 500 Watts |
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| Frequency Range: | 26.5 to 40.0 GHz |
| Standard Gain: | 10 dBi |
| Antenna Type: | H-Plane Sectoral |
| Max Power (W): | 500 Watts |
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| Frequency Range: | 26.5 to 40.0 GHz |
| Standard Gain: | 25 dBi |
| Waveguide Type: | WR-28 (Ka-Band) |
| Max Power (W): | 500 Watts |
