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RF and Microwave Waveguide Antennas

As a premier RF components supplier, RFComp offers high-performance waveguide antennas engineered for superior gain and directivity in high frequency RF systems. Our portfolio includes standard gain horns, conical horns, and lens antennas designed for satellite communications RF parts, radar, and 5G systems. These precision RF products are the gold standard for aerospace and defense applications, covering a frequency range of RF parts from DC to 110 GHz with exceptional efficiency.
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Waveguide Antenna

HD Part # Frequency ( GHz ) Waveguide Size Gain Dimensions (inch) A Dimensions (inch) B Dimensions (inch) C
HD18565 1.7-2.6 WR 430 10 dB 8 4 10.5
HD18566 2.6-3.95 WR 284 10 dB 4.33 3.46 7.5
HD18567 3.95-5.85 WR 187 10 dB 2.89 2.12 5.5
HD18568 5.85-8.2 WR 137 10 dB 2.02 1.48 3.15
HD18569 7.05-10.0 WR 112 10 dB 1.63 1.18 2.55
HD18570 8.2-12.4 WR 90 10 dB 1.58 1.15 2.01
HD18571 10.0-15.0 WR 75 10 dB 1.26 0.92 1.94
HD18572 12.4-18.0 WR 62 10 dB 0.93 0.68 1.61
HD18573 18.0-26.5 WR 42 10 dB 0.6 0.44 1.25
HD18574 26.5-40.0 WR 28 10 dB 0.42 0.315 1
HD19538 1.12-1.7 WR 650 10 dB 12.14 6.07 15.98
HD19539 2.2-3.3 WR 340 10 dB 5.71 3.43 9.45
HD19540 3.3-4.9 WR 229 10 dB 3.62 2.36 6.45
HD19541 4.09-7.05 WR 159 10 dB 2.68 1.58 4.28
HD19542 7.0-11.0 WR 102 10 dB 1.58 1.14 3
HD19543 15.0-22.0 WR 51 10 dB 0.77 0.56 1.43
HD19544 22.0-33.0 WR 34 10 dB 0.53 0.39 1.13

Waveguide Antenna

HD Part # Frequency ( GHz ) Waveguide Size Gain Dimensions (inch) A Dimensions (inch) B Dimensions (inch) C
?HD18578 5.85-8.2 WR 137 15 dB 3.42 2.5 6.51
?HD19548 4.09-7.05 WR 159 15 dB 4.33 3.15 8
HD 18575 1.7-2.6 WR 430 15 dB 14.5 10.75 14.5
HD 18576 2.6-3.95 WR 284 15 dB 7.96 5.83 15.34
HD 18577 3.95-5.85 WR 187 15 dB 4.88 3.57 9.4
HD18579 7.05-10.0 WR 112 15 dB 2.93 2.15 6.65
HD18580 8.2-12.4 WR 90 15 dB 2.66 1.95 5.46
HD18581 10.0-15.0 WR 75 15 dB 2.25 1.33 4.69
HD18582 12.4-18.0 WR 62 15 dB 2.19 1.72 3.46
HD18583 18.0-26.5 WR 42 15 dB 1.14 0.85 2.37
HD18584 26.5-40.0 WR 28 15 dB 0.76 0.55 1.87
HD19545 1.12-1.7 WR 650 15 dB 21.93 16.24 21.77
HD19546 2.2-3.3 WR 340 15 dB 9.45 6.69 15.63
HD19547 3.3-4.9 WR 229 15 dB 6 4.41 10.4
HD19549 7.0-11.0 WR 102 15 dB 3.04 2.23 6
HD19550 15.0-22.0 WR 51 15 dB 1.36 1 2.84
HD19551 22.0-33.0 WR 34 15 dB 0.95 0.7 2.12

Waveguide Antenna

HD Part # Frequency ( GHz ) Waveguide Size Gain Dimensions (inch) A Dimensions (inch) B Dimensions (inch) C
HD18585 1.7-2.6 WR 430 20 dB 22 16 40.5
HD18586 2.6-3.95 WR 284 20 dB 15.57 10.67 29.75
HD18587 3.95-5.85 WR 187 20 dB 8.51 6.3 1.136
HD18588 5.85-8.2 WR 137 20 dB 6.26 4.57 12.19
HD18589 7.05-10.0 WR 112 20 dB 4.97 3.64 10.78
HD18590 8.2-12.4 WR 90 20 dB 4.87 3.62 10.06
HD18591 10.0-15.0 WR 75 20 dB 3.88 2.98 8
HD18592 12.4-18.0 WR 62 20 dB 2.88 2.11 5.75
HD18593 18.0-26.5 WR 42 20 dB 2.13 1.56 4
HD18594 26.5-40.0 WR 28 20 dB 1.38 1.01 3.12
HD19552 1.12-1.7 WR 650 20 dB N/A N/A N/A
HD19553 2.2-3.3 WR 340 20 dB 18.79 11.81 35
HD19554 3.3-4.9 WR 229 20 dB 12.25 8.6 23.5
HD19555 4.09-7.05 WR 159 20 dB 9.8 7.64 11.73
HD19556 7.0-11.0 WR 102 20 dB 5.57 3.94 11.13
HD19557 15.0-22.0 WR 51 20 dB 2.51 1.93 4.88
HD19558 22.0-33.0 WR 34 20 dB 1.76 1.29 3.56

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Custom Waveguide Antenna Engineering

Modifications & Mission-Critical Radiation Solutions

Precision Engineering & Modifications:

We specialize in custom RF solutions for unique beam patterns and specialized flange configurations. Our RF component engineering team can design bespoke lens-corrected horns for ultra-narrow beam requirements.

Extreme Environment Resilience:

Built as high reliability RF parts, our waveguide antennas are tested for thermal shock and high-vibration typical of aerospace and maritime radar deployments.

SWaP-C Optimization:

We offer 3D-printed and lightweight metallized plastic waveguide antennas designed to reduce Size, Weight, and Power in modern UAV platforms.

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Choosing the Right Waveguide Antenna

Critical Factors for High-Aperture Performance Selecting the correct radiator is vital for your RF system integration services. Our RF & microwave product expert team recommends focusing on these aperture parameters: Antenna Gain & Beamwidth: We offer high-gain horn antennas with narrow beamwidths, essential for point-to-point microwave links hardware and long-range radar tracking. Waveguide Interface & Size: Match your antenna to standard WR sizes (e.g., WR-28, WR-42) to ensure a seamless mate with your waveguide to coax adaptors or plumbing. VSWR & Side Lobe Levels: Our high performance RF components minimize signal reflections and side-lobe interference, critical for maintaining signal purity in EW systems. Material & Finish: Available in gold, silver, or chromate-plated aluminum and copper to ensure maximum conductivity and environmental resilience in military RF components

Waveguide Antenna Technical Questions

Why use a Waveguide Antenna over a standard Coax Patch?
Waveguide antennas, particularly horn designs, offer much higher power handling and lower insertion loss at high frequencies. This makes them the primary choice for satellite communications RF parts and mmWave 5G systems.
Absolutely. Our standard gain horns are industry-standard lab RF test components, used for calibrated antenna measurements and EMC testing.
Yes. As an RF parts manufacturer, we provide custom RF solutions including conical horns for circular polarization and orthomode transducer (OMT) integrated antennas for dual-linear polarization.

What Our Customers Say

“The gain flatness on RFComp’s WR-15 horn antennas is exceptional. They have become our primary RF technology supplier for our 6G research and development.”

Lead RF Architect

Global Aerospace Prime

“We needed a custom-gain waveguide antenna for a specialized satellite project. RFComp’s New York engineering team delivered a high-precision solution on a very aggressive schedule.”

Senior Test Engineer

Semiconductor Testing Services

“For our radar calibration benches, precision is everything. RFComp’s waveguide antennas provide consistent, repeatable patterns across the entire mmWave band.”

Director of Operations

Telecommunications Infrastructure Co.

Experience the RFComp Difference

Whether you need a single horn antenna for a lab prototype or 1,000 units for a tactical infrastructure rollout, RFComp is ready to support your mission. Our New York-based engineering team specializes in high-performance RF and microwave solutions that meet the exact demands of your 2026 project schedule.
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