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Description & Specification
HS-042-UBR-25-KF Standard Gain Horn Antenna
18 - 26.5 GHz | 25 dBi Gain | Millimeter-Wave Reference
The HS-042-UBR-25-KF is a high-precision WR42 Standard Gain Horn Antenna engineered for high-frequency millimeter-wave applications. Operating within the 18 to 26.5 GHz range, it delivers a sharp, directional beam with 25 dBi gain. This antenna is an essential calibration device for measuring the gain of other antennas and is widely used in EMI/EMC testing, direction finding, and surveillance. Crafted from high-grade aluminum with a K-Female connector and UBR flange, it ensures ultra-low signal reflection and consistent laboratory performance.
Electrical & RF Performance
| Frequency Range | 18 GHz - 26.5 GHz |
| Waveguide Interface | WR-42 (UBR) |
| Nominal Gain | 25 dBi |
| Max Power Handling | 200 Watts (CW) |
| Beamwidth (H/E) | 12° / 11° |
Mechanical & Physical
| Dimensions | 86 x 105 x 301 mm |
| Weight | 260 g |
| Connector Type | K-Female (Stainless Steel) |
| Body Material | High-Grade Aluminum Alloy |
High Precision Calibration
Ideal for use as a reference antenna to measure and calibrate the gain of other RF systems, ensuring accuracy across the 18-26.5 GHz band.
Narrow Beamwidth
Exceptionally directional beam (11°-12°) for precise target focus in direction finding, surveillance, and high-resolution laboratory tests.
Millimeter-Wave Optimization
K-band specialized design with stainless steel K-Female connectors for superior signal integrity and repeatable laboratory results.
Low Reflection Performance
Optimized with an ultra-low V.S.W.R (1.25 : 1) to minimize signal bounce and maximize efficiency during high-stakes measurement cycles.
Contact FT-RF Engineering Division
Contact our engineering team to obtain specialized gain calibration data, technical support, or customized mounting solutions.
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