300MHz to 18GHz Open Boundary Quad-Ridged Horn Antenna, S-Female Connector

Model No: HR-03M18G-SF

Made in Taiwan
Frequency Range: 300 MHz - 18 GHz
Gain (Avg): 2 to 18 dBi
Polarization: Dual Pol. / ± 45°
Connector: SMA-Female * 2
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300 MHz to 18 GHz Open Boundary Quad-Ridged Horn Antenna

Dual Polarization SMA-Female | Industrial Grade EMC/EMI Solution
The Open Boundary Quad-Ridged Horn Antenna is a high-performance solution professionally engineered for ultra-wideband EMC/EMI testing, operating across the 300 MHz to 18 GHz spectrum. Designed for versatile Signal Integrity measurements, this antenna features dual SMA-Female connectors supporting vertical, horizontal, and ±45° polarizations. Its robust aluminum construction and DC Short lightning protection make it the definitive standard for laboratory EMI surveillance and tactical Signal Defense sub-systems. Proudly Made in Taiwan by FT-RF, this Industrial Grade instrument delivers stable radiation patterns and predictable performance for mission-critical RF testing.
Technical Specifications
RF & Electrical Performance
Frequency Range 300 MHz - 18 GHz
V.S.W.R (Avg) < 2.0 : 1
Standard Gain 2 to 18 dBi
Polarization Vertical / Horizontal / ± 45° (Dual Pol.)
Max Power Handling 100W (<1GHz) / 50W (1-8GHz)
Impedance 50 Ohm
Mechanical & Construction
Dimensions (W x H x L) 513 x 513 x 528 mm
Net Weight 6.5 kg
Connector Type SMA-Female * 2 (Stainless Steel)
Body Material High-Grade Machined Aluminum
Manufacturing Origin Taiwan Design / Made in Taiwan (FT-RF)
Lightning Protection DC Short
Professional Tactical Features

Ultra-Wideband Signal Integrity

Covers a massive 300MHz to 18GHz range with stable gain, ensuring peak Signal Integrity for complex EMC/EMI diagnostic testing and wide-band surveillance.

Versatile Dual Polarization

Equipped with dual SMA inputs to support simultaneous vertical and horizontal measurement or specialized ±45° slant polarization setups without physical rotation.

Industrial Grade Aluminum Build

Precisely machined open-boundary structure reduces overall weight while maintaining rigid structural integrity for repeatable and accurate range results.

Tactical Signal Security

Integrated DC Short protection ensures reliability in intensive Signal Management operations and long-term EMI surveillance in high-stakes environments.

Request a Professional Quote

Contact our engineering team to obtain individual gain charts, VSWR plots, or customized mounting bracket requirements.