High Gain Helical Antenna

High-Performance Circular Polarized Helical Antennas

Antenna Experts is a globally recognized manufacturer and exporter of the world’s highest gain circular polarized helical antennas. Beyond delivering exceptional gain, we are renowned for supplying antennas with the highest power ratings in the industry. Demonstrating our military-grade reliability, we recently developed and supplied our AHQ series—a quad-stacked circular polarized helical antenna—to the US Air Force. Featuring a 21dBi directional circular polarized gain, this extended-gain solution allows the military to operate long-range GPS UAV ground control stations without the need for multiple antenna arrays.

With over 30 years of manufacturing excellence, Antenna Experts is a globally recognized heavy duty helical antenna manufacturer and trusted OEM partner. We have proudly exported our premium range of antenna solutions to over 60 countries and territories worldwide. Driven by decades of continuous development, our high-performance antennas guarantee maximum reliability in the most demanding communication environments.

Unmatched Gain and Power Ratings

Beyond offering the highest gain features in the industry, Antenna Experts is globally recognized for supplying helical antennas with the highest power ratings. This rare combination of extreme directional gain and superior power handling ensures robust, uninterrupted signal transmission even in the most demanding operational environments.

Advanced UAV and Defense Solutions

Our extensive catalog features high-gain, high-power LHCP and RHCP helical antennas operating across a vast range of frequency bands, spanning from 400MHz up to 6–14 GHz. Utilizing cutting-edge Circular Polarization Antenna Technology, our low-profile antennas incorporate extended stubs to deliver superior gain, excellent axial ratios, and wider beam-widths. This advanced engineering ensures superior signal penetration through physical obstructions and heavy interference, drastically minimizing the effects of multipath interference commonly experienced in point-to-point water communication or dynamic satellite links.

Superior Satellite and Anti-Drone Communication

Our helical antennas are the ideal choice for complex transmission environments, including point-to-point communication over water and direct satellite communications. Because signal polarization can shift dramatically in these scenarios, our advanced circular polarized design effectively minimizes the disruptive effects of multipath interference. Furthermore, the complete AH series of high gain helical antennas is highly optimized and exceptionally suitable for modern anti-drone ground station applications.

Military-Grade UAV, Anti-Drone, and Satellite Applications 

Designed to meet rigorous MIL-STD requirements, our AH series helical antennas are the ultimate choice for long-range, directional communication. They provide robust communication links for UAV Ground Control Stations, satellite links, FPV tracking, and anti-drone ground station applications. Available in both Right-Hand (RHCP) and Left-Hand (LHCP) models with gain ranges from 9 to 22dBic, these antennas are perfect for frequency hopping or spread spectrum telemetry systems. For tactical deployment, our directional anti-drone antennas can be supplied with a two-axis steering system, allowing manual azimuth and elevation tracking for unmanned aircraft systems.

Specialized Broadband Solutions: Flight Termination and GPS Jamming 

Antenna Experts also designs specialized broadband models to eliminate the need for multi-antenna setups. The AH-450 and AH-475 military helical antennas provide seamless coverage for the 430–475 MHz and 400–550MHz bands, respectively, making them highly suitable for Flight Termination System (FTS) ground stations. Additionally, our AH-1117 series (AH-1117-9, 11, 13, and 16) is specifically engineered for ground station GPS jamming and transmission/reception. Covering the 1100–1700 MHz bands, these models effortlessly support wideband directional signals across all crucial GPS frequencies, including GPS L1, L2, L5, and L6.

Why Armed Forces & Industry Choose Antenna Experts Circular Polarized Helical Antenna?

When deciding on a high-performance antenna for critical communications, choosing a Circular Polarized (CP) Helical Antenna from Antenna Experts comes down to superior signal reliability, innovative engineering, and rugged durability. Ensure mission-critical signal reliability with Antenna Experts. Our rugged, high-gain Circular Polarized (CP) Helical Antennas are engineered for military, UAV, and tactical communications.

1. Unmatched Signal Penetration and Stability

Unlike standard linear antennas, Antenna Experts Helical Antennas utilize advanced Circular Polarization Technology (available in both RHCP and LHCP). This delivers significantly better signal penetration through physical obstructions, weather, and interference. Because the polarization constantly rotates, it drastically minimizes the effects of multipath interference, making it ideal for tracking moving targets like UAVs or communicating with satellites where polarization changes dramatically.

2. Innovative Extended Stub Design

These helical antennas are engineered with uniquely extended stubs. This design allows the antenna to achieve exceptionally high gain (up to 18–22 dBi depending on the model and stacking) while still maintaining an excellent axial ratio and a wider beam-width. You get the targeted power of a highly directional antenna without an overly narrow, difficult-to-aim signal path.

3. High-Gain, Low-Profile Footprint

These antennas offer a compact footprint without sacrificing power. They provide superior performance compared to significantly larger and more expensive alternatives, and the AH-series models are noticeably smaller than conventional Yagi antennas. This makes them highly practical for rapid deployment, mobile ground stations, or covert operations. Utilizing an innovative "extended stub" design, our helical antennas deliver exceptional gain (up to 18-22 dBi) and a wider beam-width, all without the massive footprint of traditional Yagi arrays.

4. Military-Grade Ruggedness

Built for extreme environments, the radiating elements are constructed from high-quality, heavy-duty copper wire secured within a high-strength fiberglass or ABS cylindrical radome. This design provides excellent transparency for RF signals which dramatically reduces wind loading (often rated up to 200 km/hr), prevents ice formation and protects against corrosive gases, salt spray, and UV radiation, meets strict environmental standards and can be supplied in tactical finishes like a matte military olive green.

5. Broad Frequency Coverage

A single Antenna Experts helical antenna often covers an entire frequency band (e.g., the entire UHF aeronautical band from 240-380 MHz, or all GPS L1/L2/L5/L6 bands), eliminating the need to install multiple antennas to get the job done. They are highly suitable for frequency hopping, spread spectrum telemetry, anti-drone jamming, and UAV telemetry communication links. Cover entire frequency bands (such as the full UHF aeronautical band or all GPS bands) with a single, highly efficient unit designed for rapid deployment.

6. Advanced Steering and Array Capabilities

Most models are supplied with a specialized two-axis steering system, allowing manual tracking over 360 degrees in azimuth and 0 to 90 degrees in elevation. For extreme gain requirements, they can also be configured in DUAL or QUAD stacked arrays with the necessary power splitter/combiner cable harnesses.

7. Reliable Communication Starts Here

When standard linear antennas fall short, Antenna Experts delivers. Our Circular Polarized (CP) Helical Antennas—available in both RHCP and LHCP configurations—are engineered for the most demanding environments. They ensure stable, high-gain signal penetration through multipath interference, physical obstructions, and adverse weather conditions.

8. Trusted Client Heritage of High Gain Circular Helical Antenna

The reliability of Antenna Experts is validated by their extensive roster of high-profile defense and aerospace clients. They are an established vendor for major global entities, armed forces, engineers and professionals providing a strong "trust signal" for new military contracts. 

Antenna Experts All GPS Band High Gain Helical Antennas

The AH-1117-16, manufactured by Antenna Experts, is a military-grade, high-gain helical antenna designed specifically for long-range UAV/drone ground control stations, satellite links, and comprehensive GPS jamming applications.

• Broadband Coverage: Engineered for wideband directional transmission and reception across the 1100–1700 MHz frequency band, encompassing all major GPS bands (L1, L2, L5, and L6).
• Anti-Drone & Jamming: Highly effective for UAV anti-drone operations. A single AH-1117-16 unit is capable of jamming all GPS bands simultaneously, eliminating the need for a multi-antenna setup and saving infrastructure space.
• Telemetry & Tracking: Excellent for point-to-point communication over water, frequency hopping, spread spectrum telemetry, and unmanned aircraft tracking systems.
• Gain: This high gain helical antenna has 16 dBic gain over the entire international 5GHz band. The design uses extended stubs to achieve a greater gain threshold while maintaining a wider beamwidth.
• Polarization: Circular. It is available in both Right Hand (AH-1117-16-RHCP) and Left Hand (AH-1117-16-LHCP) configurations to ensure superior signal penetration through obstructions and to minimize multipath interference.
• Beamwidth (Half Power Points): This high gain helical antenna has typical 28 degrees beamwidth for both the azimuth (horizontal) and vertical planes.
• RF Power Handling: This heavy-duty high gain helical antenna has RF power handling capacity up to 250 Watts.

Antenna Experts High Gain Helical Antenna AH-4959 for 5GHz International Band:

The AH-4959, manufactured by Antenna Experts, is a high-gain, circular polarized helical antenna operating in the 4.9 GHz to 5.9 GHz frequency range. It is purpose-built for military-grade, long-range drone ground control stations and heavy-duty telemetry operations.

• Broadband Coverage: Helical antenna operates across the 4900–5900 MHz (4.9–5.9 GHz) frequency band, which effectively covers all international 5 GHz Wi-Fi, Bluetooth and ISM bands.
• Long-Range UAV/Drone Ground Stations: This high gain helical antenna designed specifically to provide a robust, uninterrupted communication link between Unmanned Aerial Vehicles (UAVs) and ground control centers.
• Point-to-Point & Telemetry: Ideal for point-to-point communication over water, satellite communication, and unmanned aircraft tracking systems. The polarization characteristics dramatically reduce the effects of multipath interference.
• Gain: This high gain helical antenna has 16 dBic gain over the entire 5GHz international band. It achieves this exceptionally high gain for its class by utilizing extended stubs, which also allows it to maintain a wider beamwidth which focus the signal in specific targeted/required direction which translates to a longer communication range.
• Polarization: High Gain Helical Antenna Uses Circular Polarization Antenna Technology. It is available in both Right Hand (AH-4959-RHCP) and Left Hand (AH-4959-LHCP) configurations. This ensures superior signal penetration through obstructions and minimizes interference compared to linearly polarized antennas.

Antenna Experts High Gain SATCOM Helical Antenna AH-312:

The AH-312, manufactured by Antenna Experts, is a military-grade, circular polarized UHF SATCOM ground station helical antenna. Operating in the 240–380 MHz band, it is engineered for long-range ground-to-air communications, UAV anti-drone applications, and satellite links.

• Broadband Coverage: This high gain helical antenna operates across the 240–380 MHz frequency band, covering the entire UHF aeronautical and SATCOM bands.
• UHF SATCOM & Tactical Communications: Highly suitable for ground-to-air communications and UAV ground control stations. Its broadband design allows it to serve as a comprehensive SATCOM ground station antenna without the need for a multi-antenna setup.
• Anti-Drone & Jamming: This high gain helical antenna can be utilized for uninterrupted communications and jamming for SATCOM bands, serving as an effective UAV anti-drone solution.
• Gain: This high gain helical antenna has 12 dBic gain. The design utilizes extended stubs to achieve high gain while maintaining a wider beamwidth.
• Polarization: Circular. Available in both Right Hand (AH-312-RHCP) and Left Hand (AH-312-LHCP) configurations. This circular polarization technology delivers superior signal penetration through obstructions and significantly reduces multipath interference.
• Beamwidth (Half Power Points): 55° ± 2° typical in the horizontal plane and 45° ± 2° typical in the vertical plane. Effective for communicating with satellites positioned low on the horizon due to its circular polarization technology.
• SATCOM Ground Stations: High gain helical antenna broadband design allows it to serve as a single ground station antenna for multiple satellite links.
• Tactical Communication: High gain helical antenna compatible with most Multi-Band, Multi-Mode Receivers (MBMMR) and airborne/ground transceivers.
• Applications: These antennas are used in diverse fields, including satellite communications, military applications (e.g., FTS ground stations), drone/UAV telemetry, FPV racing, and professional audio systems. 

Manufacturing and Compliance of Antenna Experts Helical Antenna:

• Customization: Antenna Experts offer customizable frequency bands, power handling capacity, RF connector, materials and color options to meet specific client requirements.
• Short Lead Times: Our company is recognized for having some of the industry's shortest lead times with our comprising the quality for both standard and customized antenna products.
• Global Recognition: Antenna Experts client list includes high-profile organizations such as various defense and aerospace industry giants, armed forces, engineers and professionals.
• EU & ISO Standards Compliance: Our helical antenna products are fully compliant with CE, RoHS, REACH, and WEEE directives and the company is ISO 9001, ISO 14001 & ISO 18001 certified. 

Request Technical Quote & High Gain Helical Antenna Procurement 

Looking for high-performance High Gain Helical Antenna with industry-leading lead times? Antenna Experts specializes in designing and manufacturing ruggedized, mission-critical RF solutions tailored to your specific frequency and platform requirements.

Direct Factory Pricing: With 99% of our sales driven by international exports, we offer highly competitive global pricing by eliminating middleman markups. Our direct-to-customer model ensures you get premium defense-grade hardware at factory rates.

Zero-Defect Quality Assurance: Quality is non-negotiable. Every antenna unit is 100% tested in our advanced Open Area Test Site (OATS). We provide comprehensive test reports and radiation patterns with every shipment to ensure compliance with your technical specifications.

Expedited Global Logistics: We are strategically partnered with FedEx and DHL to provide the industry’s fastest delivery. We have successfully deployed antenna systems to over 60 countries, including mission-critical installations in the most remote environments on earth.

Ready to secure your communication links in any environment? Contact our engineering team today to request a quote, discuss customized frequency bands, or learn more about our MIL-STD-810G compliant high gain helical antennas.  

Engineered to survive where conventional antennas fail: Download our complete technical datasheets to view specific VSWR charts and radiation patterns or reach out to Antenna Experts to find the exact model for your tactical & fixed application.

Equip your next mission with world-class, military-grade reliability: Get in touch with Antenna Experts today to configure your AH series military grade heavy duty premium-quality high-power high-gain helical antenna.