Product overview
The Holybro H-RTK mosaic-H (Dual Antenna Heading) is an RTK GPS navigation module for UAV and robotics integration, supporting rover, moving baseline rover, base-station and PPK applications. Its physical assembly combines an aluminum CNC enclosure, an IST8310 magnetometer and two external antennas. The board measures 42.7 × 71.8 × 13.3 mm, with a weight of 54.5 g excluding antennas. Each antenna measures 40 mm in diameter and 76 mm high. USB Type-C and two UART ports provide integration connections, while the board uses female SMA antenna connectors.
The package supplies one module, two antennas, two antenna mounts, two 40CM SMA cables, two GH 10P cables, one GH 6P cable, one GH 10P-to-6P cable and one USB-C cable. Integration requires a 4.75V–5.25V supply; consumption is 0.6 W typical and 1.1 W maximum. Antenna spacing affects attitude accuracy: heading accuracy is 0.15° at 1m separation and 0.03° at 5m. Update rates reach 100 Hz for measurements alone, 50 Hz for standalone, SBAS or DGPS with attitude, and 20 Hz for RTK with attitude. Ardupilot and PX4 support remains subject to the latest compatibility information.
Specifications
| Specification | Value & conditions |
|---|---|
| Receiver | Septentrio mosaic-H GNSS receiverIntegrated in the Holybro mosaic-H RTK GPS module |
| GPS heading | Compass-less yaw informationRequires dual-antenna input |
| Product | Holybro H-RTK Mosaic-H |
| Applications | Rover; moving baseline rover; base station; PPK |
| Physical configuration | IST8310 magnetometer, two high-performance antennas and an aluminum CNC enclosureIncluded equipment. |
| GNSS signals |
|
| RTK performance | Horizontal accuracy: 0.6 cm + 0.5 ppm; vertical accuracy: 1 cm + 1 ppmRTK positioning. |
| Positioning accuracy by mode | Horizontal / vertical: standalone 1.2m / 1.9m; SBAS 0.6m / 0.8m; DGNSS 0.4m / 0.7m; RTK 0.6cm+0.5ppm / 1.0cm+1ppmStandalone, SBAS, DGNSS and RTK positioning modes. |
| GNSS attitude accuracy | At 1m: heading 0.15°, pitch/roll 0.25°; at 5m: heading 0.03°, pitch/roll 0.05°Antenna separation of 1m or 5m. |
| Time to first fix |
|
| Latency | Less than 10 ms |
| Magnetometer | IST8310 |
| Antenna peak gain | 2dBiMaximum peak gain. |
| LNA gain | 33±2dB |
| Time precision | XPPS out: 5 ns; event accuracy: less than 20 ns |
| Data and update rates |
|
| Ports |
|
| Antenna connections | Board: SMA female; antenna: SMA male |
| Buttons and buzzer | Log button: short press starts/ends recording; long press mounts/unmounts the SD card. Flight-control safety switch: press and hold to unlock/lock. Integrated buzzer.Short or long press for logging controls; press and hold for the flight-control safety switch. |
| Baud rate and default frequency | 230400; 5Hz defaultAdjustable baud rate; default update frequency. |
| Working voltage | 4.75V~5.25V |
| Power consumption | 0.6 W typ.; 1.1 W maxTypical and maximum consumption. |
| Operating temperature | -40°C to 85°C |
| Dimensions |
|
| Weight | 54.5gWithout antennas. |
| Interference mitigation and tracking technologies | AIM+ anti-jamming and anti-spoofing interference mitigation for narrowband, wideband and chirp jammers; LOCK+ tracking during high vibrations; APME+ multipath mitigation; IONO+ ionospheric protection; OSNMA supported |
| Firmware compatibility | Ardupilot; PX4, subject to the latest compatibility informationArdupilot and PX4 compatibility is qualified by the latest compatibility information. |
| Package contents | 1x H-RTK Mosaic; 2x high-performance antenna; 2x antenna mount for H-RTK; 2x SMA cable (40CM); 2x GH 10P cable; 1x GH 6P cable; 1x GH 10P to 6P cable; 1x USB-C cableIncluded equipment. |
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