Holybro H-RTK mosaic-G5 Dual Antenna Heading GPS RTK GNSS Receiver

Introduction

The Holybro H-RTK mosaic-G5 is a compact and high-performance dual-antenna RTK GNSS receiver designed for the most demanding applications. It's the ideal solution for drone operators, robotics engineers, and autonomous system developers who require reliable, centimeter-level positioning accuracy and robust heading, pitch, and roll determination. Based on the renowned Septentrio mosaic-G5 P3H receiver, this module guarantees superior signal quality and stable performance.

Key advantages

• Centimeter-level RTK positioning accuracy powered by the advanced Septentrio mosaic-G5 P3H receiver.
• Dual-antenna GNSS heading provides precise orientation, unaffected by magnetic interference.
• Multi-band GNSS positioning (GPS, GLONASS, BeiDou, Galileo) in single-antenna mode for maximum flexibility.
• Advanced Septentrio GNSS+ technologies (AIM+, LOCK+, APME+, IONO+) protect against interference, vibration, and multipath.
• Integrated RM3100 magnetometer offers a reliable backup compass solution.
• Selectable single or dual-antenna mode optimizes performance for specific applications.
• On-board microSD data logging simplifies post-flight data analysis.
• Durable CNC aluminum housing ensures long-term use in harsh conditions.

Technical specifications

• Product: Holybro H-RTK mosaic-G5
• Receiver: Septentrio mosaic-G5 P3H
• Application: Rover, Moving Baseline Rover, UAV, Robotics, Autonomous Systems
• Supported GNSS Systems: GPS, GLONASS, BeiDou, Galileo, QZSS
• GPS Bands: L1C/A, L1C, L2C, L2P(Y), L5
• GLONASS Bands: L1CA, L2CA, L2P, L3 CDMA
• BeiDou Bands: B1I, B1C, B2a, B2I, B2b, B3I
• Galileo Bands: E1, E5a, E5b, E6
• QZSS Bands: L1C/A, L1C/B, L2C, L5, L6 (future update)
• RTK Horizontal Accuracy: 0.6 cm + 0.5 ppm
• RTK Vertical Accuracy: 1 cm + 1 ppm
• Autonomous Accuracy: 1.2 m (horizontal) / 1.9 m (vertical)
• DGNSS Accuracy: 0.4 m (horizontal) / 0.7 m (vertical)
• GNSS Heading Accuracy: 0.15° (1m antenna separation); 0.03° (5m separation)
• Pitch/Roll Accuracy: 0.25° (1m antenna separation); 0.05° (5m separation)
• Cold Start: ≤35 s
• Warm Start: ≤10 s
• Reacquisition: 1 s
• Latency: <10 ms
• Max Position Update Rate: 20 Hz
• Magnetometer: RM3100
• Antenna Gain: max. 2 dBi
• LNA Gain: 33 ± 2 dB
• PPS Resolution: 1.4 ns
• Event Accuracy: <3 ns
• USB Interface: USB Type-C
• UART Interfaces: UART1 (GH1.25 10-pin), UART2 (GH1.25 6-pin)
• On-board Antenna Connector: Female SMA
• Antenna Connector: Male SMA
• Data Logging: integrated microSD card
• Baud Rate: configurable, default 230400
• Default Update Rate: 5 Hz
• Supported Protocols: NMEA, SBF, RTCM input
• RTK Operation: Rover and Base (requires latest firmware)
• Operating Voltage: 4.75-5.25 V
• Power Consumption (typical): 1.4 W (without antennas)
• Max Power Consumption: 1.8 W
• Operating Temperature: -40°C to 85°C
• Board Dimensions: 48 x 52.3 x 22 mm
• Antenna Dimensions: diameter 40 mm, height 76 mm
• Weight: 48.5 g (without antennas)

Applications

The Holybro H-RTK mosaic-G5 module is a versatile tool suitable for:

• Professional drone photogrammetry and mapping missions.
• Precision agriculture and crop monitoring.
• Mobile robotics and autonomous ground vehicles (UGVs).
• Systems requiring precise real-time position and orientation tracking.
• Scientific research and surveying.
• Inspection applications where the highest precision is critical.

Compatibility

The module communicates via standard USB Type-C and two UART ports (GH1.25), ensuring broad compatibility with most flight controllers and embedded systems. It supports key communication protocols like NMEA, SBF, and RTCM input. Powered by a voltage range of 4.75-5.25 V, it's easy to integrate into various platforms.

FAQ

What is the positioning accuracy of the Holybro H-RTK mosaic-G5 module?

The Holybro H-RTK mosaic-G5 module offers centimeter-level RTK precision (0.6 cm + 0.5 ppm horizontal accuracy, 1 cm + 1 ppm vertical). In autonomous mode, accuracy is 1.2m horizontally and 1.9m vertically.

What are the best applications for the Holybro H-RTK mosaic-G5 module?

It's an ideal choice for professional drone applications, robotics, autonomous systems, and rovers requiring precise positioning and reliable heading determination. It also excels in precision agriculture and surveying.

Is the H-RTK mosaic-G5 module resistant to interference?

Yes, the module utilizes advanced Septentrio GNSS+ technologies like AIM+ for interference (jamming) and spoofing detection, and IONO+ for protection against ionospheric disturbances. LOCK+ technology enhances tracking under vibration.

What communication interfaces does the Holybro H-RTK mosaic-G5 module have?

The module is equipped with a USB Type-C port and two UART ports (GH1.25 10-pin and GH1.25 6-pin), providing flexible integration with various flight controllers and systems.

Where can I buy the Holybro H-RTK mosaic-G5 module with fast delivery to Poland?

You can order the Holybro H-RTK mosaic-G5 module at the HTDRONE store (ht-dron.pl). We offer fast and secure delivery throughout Poland. Check our offer and best price!