GNSS Receivers for Agricultural Drones | Septentrio-Powered Precision
Septentrio-powered GNSS receivers for agricultural drones and agri-robots. CE and FCC compliant. Stock in EU and North America.
GNSS Receivers for Agricultural Drones and Agri-Robots
Modern precision agriculture depends on accurate, reliable positioning — and that positioning starts with the GNSS receiver mounted on your drone or robot. Whether you are operating a variable-rate sprayer, a field-scouting UAV, an autonomous tractor, or a robotic weeding platform, every centimeter of positional error translates directly to wasted inputs, missed coverage, and reduced yield.
Our Septentrio-powered GNSS receivers deliver centimeter-level RTK accuracy built specifically for the demands of agricultural UAVs and agri-robots: resistant to the RF interference found around farm machinery, capable of operating across wide open fields with full sky visibility, and light enough to integrate without impacting payload capacity.
Why Accurate GNSS Matters on Agricultural Drones
A sprayer drone flying a 6-metre swath width with 1-metre positional error will either double-cover or miss up to 33% of its swath — every single pass. At scale, that is wasted chemical spend, regulatory non-compliance, and crop damage.
The same applies to:
- Variable-rate application: prescription maps require the drone to know exactly where it is to apply the right rate at the right location
- Autonomous field operations: repeated passes, return-to-home, and geo-fencing all depend on reliable RTK fix
- Crop scouting and NDVI mapping: geotagged imagery is only as useful as the positional accuracy embedded in each frame
- Robotic weeding and seeding: row-level precision requires sub-10cm positioning to avoid crop damage
A high-integrity GNSS receiver on the drone is not a nice-to-have — it is the foundation everything else is built on.
Septentrio at a Glance
0.6 cm + 0.5 ppm — RTK accuracy
9.5 g — module weight
<10 s — RTK convergence
448 — tracking channels
5 — constellations

What Sets Our Receivers Apart for Agriculture
AIM+ Interference Mitigation
Agricultural environments are electrically noisy. Variable-frequency drives on irrigation pumps, electric motors on autonomous tractors, and high-voltage lines across open fields all generate RF interference that degrades positioning. Septentrio built-in AIM+ technology actively filters broadband, narrowband, and pulse interference — maintaining RTK fix where generic receivers lose lock.
Multi-Constellation Tracking
Our receivers track all available GNSS constellations — GPS, GLONASS, Galileo, BeiDou, QZSS, and NavIC — across multiple frequency bands simultaneously. More signals mean faster acquisition, faster RTK convergence, and better accuracy under partial sky obstruction such as tree lines, terrain, and orchard canopies.
IONO+ Ionospheric Compensation
Long agriculture missions spanning large fields are vulnerable to ionospheric disturbances that degrade RTK accuracy, especially at lower latitudes. Septentrio IONO+ technology actively compensates, maintaining consistent accuracy across the full mission duration — critical for large-area field mapping and multi-hour spraying operations.
Lightweight, Low-Power Design
Weight and power budget are critical on agricultural drones. Our receivers are engineered for UAV integration — compact form factors as light as 9.5 g with 0.6 W power draw, and standard interfaces (UART, USB, SPI) that connect directly to flight controllers including Pixhawk, ArduPilot, and PX4.
Application-Specific Use Cases
| Use Case | Key Requirement | Recommended Feature |
|---|---|---|
| Variable-rate sprayer drone | Sub-10cm pass-to-pass accuracy | RTK with AIM+ interference protection |
| Crop scouting / NDVI | Accurate image geotagging | High-frequency position output, event logging |
| Autonomous robot (weeder, seeder) | Reliable fix in row-crop canopy | Multi-frequency + multi-constellation |
| Orchard spraying drone | Performance near tree lines | RAIM+ integrity monitoring |
| Large-area field coverage | Consistent accuracy across km-scale missions | IONO+ ionospheric correction |
Recommended Products for Agricultural Applications
All of our GNSS receivers are Septentrio-powered and suitable for agricultural drone integration. The right choice depends on your platform size, payload budget, and correction workflow.
mosaic-X5
All-constellation, multi-frequency RTK receiver with AIM+, IONO+, and RAIM+. The versatile choice for sprayer drones, scouting UAVs, and agri-robot integration. Compact and low-power.
mosaic-G5 P3
Ultra-compact multi-frequency GNSS module with RTK accuracy and low power consumption. Ideal for weight-constrained agricultural UAV builds where minimal footprint matters.
mosaic-G5 P3H
Adds dual-antenna heading and orientation output to the G5 platform. Useful for agricultural robots and autonomous ground vehicles where yaw accuracy is needed alongside position.
AsteRx-m3 Pro+
Septentrio highest-performance OEM receiver board. For demanding applications requiring maximum robustness, flexibility, and the ability to function as both rover and base station.
Not sure which receiver fits your drone build? Contact our technical team → — we will advise based on your platform specs, payload constraints, and correction source.
Compliance and Regional Availability
Our receivers are CE marked for the European market and FCC certified for North America — ready to integrate into commercially operated agricultural drones in both regions without additional certification overhead.
European customers: Stock held in the EU with fast local shipping. EU-based technical support for integration queries, firmware setup, and antenna configuration.
North American customers: Stock held in the US/Canada with fast domestic shipping. Local technical support available for ArduPilot, PX4, and custom autopilot integrations.
Operating in another region? Contact us → — we ship globally and can advise on compliance requirements for your market.
Integration Support
Our receivers output standard NMEA and proprietary SBF data formats and support RTK correction inputs via RTCM 3.x over serial or network (NTRIP). They are compatible with the major agricultural autopilot and flight management ecosystems.
If you are integrating a Septentrio-powered receiver into an agricultural drone for the first time, our team can advise on antenna placement, correction source options (NTRIP, base station, PPK), and firmware configuration for your specific flight controller.
Frequently Asked Questions
Ready to Upgrade Your Agricultural Drone?
Get in touch with our team for expert advice on the right GNSS solution for your precision agriculture application.
All receivers on this page are powered by Septentrio GNSS technology and are CE and FCC compliant. Intended for civilian precision agriculture applications only.

