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

Model No: HR-0218G-SF

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

Model: HA-0218G-SF | Dual-Polarized Broadband | 18 dBi Gain
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 across the entire bandwidth. 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 to 18 GHz
Antenna Type Open Boundary Quad-Ridged Horn
Nominal Gain 2 dBi to 18 dBi
Polarization Dual (Vertical & Horizontal / ±45°)
V.S.W.R (Avg) < 2.5 : 1
-3dB Beamwidth (Avg) Horizontal: 37° | Vertical: 37°
Antenna Factor 31 to 42 dB/m
Front to Back Ratio (FBR) 29 dB
Impedance 50 Ohm
Mechanical & Interface Data
Dimensions (L x W x H) 157 x 157 x 180 mm
Net Weight 879 g (Precision Lightweight Design)
Body Material Aerospace-Grade 6061 Aluminum Alloy
Connector Type Stainless Steel SMA-Female x 2
Manufacturing Origin Taiwan Design / Made in Taiwan (FT-RF)
Compliance RoHS, WEEE, CE, FCC
Key Tactical Features

Open Boundary Architecture

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

Dual-Polarization Versatility

Equipped with independent dual ports to support simultaneous Vertical and Horizontal acquisition, making it ideal for MIMO characterization and complex laboratory setups.

Integrated Surge Protection

Features built-in DC shorted design to safeguard high-precision measurement instrumentation and connected receivers from transient electrical surges.

Industrial Lab Compliance

Fully compliant with international standards, ensuring industrial-grade performance and mechanical durability for mission-critical antenna measurement cycles.

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Contact our engineering team to obtain specialized gain calibration data, polarization isolation matrices, or technical support for microwave surveillance sub-systems.