Top 7 GNSS Helix Antennas for UAVs and Robotics in 2025
When precision matters, especially in UAVs and robotics, choosing the right GNSS helix antenna can make or break your positioning system. In 2025, users face increasing demands for lightweight, multi-frequency antennas that deliver reliable signal tracking in dynamic environments. To help engineers, drone manufacturers, and robotics developers navigate the options, we’ve compiled this list of the top 7 GNSS helix antennas worth considering — each with standout features tailored for high-accuracy applications.
Harxon HX-CUX012A
Why choose this: Designed specifically for UAVs, this antenna stands out for its ultra-low profile and excellent phase center stability.
Customer Review: “We integrated the HX-CUX012A into our mapping drones — consistent centimeter-level accuracy, even in semi-obstructed environments.” – AeroMap Inc.
Key Features: Multi-constellation (GPS, GLONASS, Galileo, BDS), high gain, compact design (65g)
Applicable Scenarios: Survey drones, agricultural UAVs, mobile mapping systems
Purchase Suggestion: Ideal for drone fleets where weight and form factor are critical without sacrificing performance.
ComNav AT160
Why choose this: A full-constellation, triple-frequency antenna offering ultra-low phase center variation — critical for robotics navigation.
Comparison Table:
Model Weight Constellations Frequency Bands ComNav AT160 95g GPS/BDS/GLONASS/Galileo Triple-frequency HX-CUX012A 65g GPS/GLONASS/Galileo/BDS Dual-frequency Key Features: Supports GPS L1/L2/L5, BDS B1/B2/B3, GLONASS L1/L2, Galileo E1/E5a/E5b, robust anti-jamming design
Applicable Scenarios: Field robots, autonomous vehicles, surveying UAVs
Purchase Suggestion: Best for precision-driven missions with complex terrain or interference-prone environments.
Tersus AX4E05
Why choose this: Superior signal tracking and multipath suppression make this a top choice for precision geodetic tasks in UAV applications.
Customer Review: “Reliable even under partial canopy. A staple for our mid-range photogrammetry drone setups.” – GeoSky Solutions
Key Features: Dual-frequency GPS/BDS/GLONASS/Galileo, lightweight (68g), high phase center stability
Applicable Scenarios: Aerial photogrammetry, land surveying, RTK-based guidance
Purchase Suggestion: Choose this when integrating with Tersus RTK receivers or similar high-accuracy GNSS systems.
TOPGNSS TOP007
Why choose this: A cost-effective, lightweight option with solid all-directional signal reception — perfect for small UAVs.
Key Features: Supports GPS/GLONASS/Beidou, ultra-lightweight (45g), waterproof design
Applicable Scenarios: Entry-level drones, handheld GNSS devices, educational robotics
Purchase Suggestion: Great for budget-sensitive projects requiring basic positioning performance.
Septentrio SEPT 4236-SSN
Why choose this: Known for extremely stable phase center and support for all GNSS bands — engineered for autonomous robotics.
Comparison Highlight: Among the few helix antennas offering both RTK and PPP compatibility out-of-the-box.
Key Features: Full-spectrum GNSS support, rugged IP67 casing, optimized for RTK and PPP use
Applicable Scenarios: Ground robots, high-end drone platforms, machine control systems
Purchase Suggestion: Best for OEMs and integrators focused on consistent, high-end positioning.
Harxon HX-CHX600A
Why choose this: High-gain, multipath-resistant design built for outdoor autonomy and robotic field operations.
Key Features: Supports GPS/GLONASS/BDS/Galileo, ruggedized build, LNA noise figure < 2dB
Applicable Scenarios: Agricultural robots, autonomous ground vehicles (AGVs), land surveying
Purchase Suggestion: Ideal for open field conditions with exposure to variable weather and ground reflections.
Mide LSY4N12A
Why choose this: Compact yet powerful — this four-star, full-frequency antenna is highly adaptable and portable.
Customer Feedback: “Affordable and effective — we use it across our university UAV training program.” – Robotics Lab, NTU
Key Features: Supports all major GNSS systems, excellent signal reception in a 38g form factor, affordable
Applicable Scenarios: Compact UAVs, RTK rover kits, handheld navigation units
Purchase Suggestion: Perfect for integration in lightweight, power-sensitive UAVs or robotic kits.
Conclusion
Choosing the right GNSS helix antenna in 2025 comes down to balancing precision, weight, frequency support, and budget. Whether you're developing drones for mapping, building autonomous field robots, or enhancing positioning systems for mobile robotics, the antennas listed above represent the most trusted options in the market today.
Looking for more options or tailored guidance? Contact our GNSS specialists or browse our full antenna catalog to explore solutions that fit your exact needs.
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