2 GHz to 18 GHz Open Boundary Quad-Ridged Broadband Horn Antenna

Model No: HR-0218G-SF

Made in Taiwan
Frequency Range: 2 GHz - 18 GHz
Antenna Type: Open Boundary Quad-Ridged
Nominal Gain: 2 dBi - 18 dBi
Connector Port: SMA-Female
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Open Boundary Quad-Ridged Horn

Dual-Polarized Broadband Antenna | 2 GHz – 18 GHz | 18 dBi
The HA-0218G-SF is a high-precision open boundary quad-ridged horn antenna professionally engineered for multi-octave microwave applications. Covering the expansive 2 GHz to 18 GHz spectrum, its unique open boundary architecture minimizes internal reflections and enhances beam symmetry. Built with aerospace-grade 6061 Aluminum alloy and featuring dual SMA-Female ports, it supports simultaneous Vertical/Horizontal or ±45° polarization. This antenna is an essential instrument for Signal Integrity verification, antenna measurements, and professional EMC/EMI testing environments.
Product Showcase
Technical Specifications
Electrical RF Performance
Frequency Range 2 GHz - 18 GHz
Antenna Type Open Boundary Quad-Ridged Horn
Nominal Gain 2 dBi - 18 dBi
V.S.W.R < 2.5 : 1 (Average)
Polarization Dual (V/H or ±45°)
Antenna Factor 31 – 42 dB/m
-3dB Beamwidth (Avg) Horizontal: 37° | Vertical: 37°
Front to Back Ratio (FBR) 29 dB
Mechanical & Interface Data
Connector Type SMA-Female (Dual Polarization Port)
Dimensions (L x W x H) 157 x 157 x 180 mm
Net Weight 879 g (Precision Lightweight Design)
Material 6061 Aluminum Alloy / Stainless Steel Interface
Manufacturing Origin Taiwan Design & Made in Taiwan
Professional Tactical Features

Open Boundary Architecture

Engineered with an open design to minimize internal resonance and back-radiation, ensuring cleaner Signal Integrity acquisition across the full 16 GHz bandwidth.

Dual-Polarization Versatility

Supports simultaneous Vertical and Horizontal acquisition, making it ideal for MIMO characterization and complex polarization-dependent laboratory measurements.

Integrated Surge Protection

Features built-in DC short lightning protection to safeguard high-precision measurement instrumentation from transient electrical surges during continuous use.

Industrial Compliance

Fully compliant with RoHS, WEEE, CE, and FCC standards, ensuring industrial-grade performance and environmental safety in professional RF labs.

Inquire About Professional Horn Solutions

Contact our engineering team for specialized gain calibration data, polarization isolation matrices, or technical support regarding broadband measurement setups.