Description
The 18–40 GHz spectrum presents significant challenges for signal integrity; this horn antenna addresses them through a double-ridged waveguide architecture that maintains a single-mode radiation pattern over a wide 2.2:1 frequency ratio. The 15dBi gain provides the necessary narrow beamwidth for point-to-point microwave links and high-sensitivity spectrum monitoring.
Typically constructed from anodized aluminum with high-tolerance machining, these antennas are exceptionally lightweight and durable. They are essential for protecting sensitive test equipment from signal reflections, acting as a stable reference for antenna calibration and radiated power measurements in anechoic chambers.
Key Technical Advantages
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Broadband mmWave Coverage: Covers the full 18–40 GHz range in a single unit, including critical 5G NR bands (n257, n258, n260, n261).
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Stable 15dBi Gain: Provides a consistent gain profile with minimal variation, ensuring repeatable measurements across the entire bandwidth.
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Precision Interface: Utilizes a 2.92mm Female connector, which is mechanically compatible with SMA and 3.5mm but optimized for mode-free operation up to 40 GHz.
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Excellent Impedance Matching: Features a typical VSWR of ≤ 1.5:1, maximizing power delivery and minimizing measurement uncertainty.
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Rugged & Lightweight: The powder-coated or anodized finish provides environmental resilience for both laboratory and field-test environments.
Key Features
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Frequency Range: 18 GHz – 40 GHz.
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Gain: 15 dBi (Nominal).
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Connector Type: 2.92mm Female (50 Ohm).
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Material: Precision Machined Aluminum.
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Application: 5G mmWave Research, Radar Cross Section (RCS) Measurements, and SATCOM.
Technical Summary
| Parameter | Specification (Typical) |
| Impedance | 50 Ohm |
| Frequency Range | 18 GHz – 40 GHz |
| VSWR | ≤ 1.5:1 |
| Max Power (CW) | 10 – 50 Watts (Connector Limited) |
| Polarization | Linear |
| Beamwidth (3dB) | ~30° (Horizontal/Vertical) |
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