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Description & Specification
WR-28 Ka-Band E-Plane Sectoral Horn Antenna
Model: HS-028-UBR-15-NA | 26.5 - 40.0 GHz | 15 dBi | Fan-Beam
The HS-028-UBR-15-NA is a precision-engineered WR-28 E-Plane Sectoral Horn Antenna designed for specialized wide-vertical illumination. Operating within the 26.5 GHz to 40.0 GHz millimeter-wave 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). Featuring a direct waveguide input with a standardized UG-599/U Flange, it ensures high-efficiency power transfer up to 500W. Manufactured from high-grade aluminum, it is an essential instrument for EMI/EMC Testing, wide-vertical beam scanning, and precision antenna gain measurements in Ka-Band environments.
Technical Specifications
Electrical & RF Performance
| Frequency Range | 26.5 to 40.0 GHz (Ka-Band) |
| Standard Gain | 15 dBi |
| Antenna Type | E-Plane Sectoral (Fan-Beam) |
| Maximum Power Handling | 500 Watts (CW) |
| V.S.W.R (Max) | 1.3 : 1 |
| -3dB Beamwidth (H / E Plane) | 77° / 16° |
Mechanical & Physical Specs
| Dimensions (WxHxL) | 33 x 19.1 x 88.9 mm |
| Waveguide Standard | WR-28 (R320) |
| Waveguide Flange | UG-599/U (UBR Style) |
| Body Material | High-Grade Aluminum |
| Origin | Made in Taiwan (FT-RF) |
Key Tactical Features
Expansive H-Plane Coverage
Specialized sectoral flare yields a massive 77° beamwidth in the H-plane, ideal for broad-area illumination in millimeter-wave susceptibility testing and 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 setups.
500W Continuous Stability
Engineered to handle up to 500W of continuous wave power while maintaining ultra-low VSWR, providing a reliable radiator for high-
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| Frequency Range: | 26.5 to 40.0 GHz |
| Standard Gain: | 10 dBi |
| Input Type: | Waveguide (No Adapter) |
| Max Power (W): | 500 Watts |
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| Frequency Range: | 26.5 to 40.0 GHz |
| Standard Gain: | 10 dBi |
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| Max Power (W): | 500 Watts |
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| Frequency Range: | 26.5 to 40.0 GHz |
| Standard Gain: | 15 dBi |
| Input Type: | Waveguide (No Adapter) |
| Max Power (W): | 500 Watts |
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| Frequency Range: | 26.5 to 40.0 GHz |
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| Max Power (W): | 500 Watts |
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| Input Type: | Waveguide (No Adapter) |
| Max Power (W): | 500 Watts |
