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Excellence in Positioning: Down to Centimeters with RTK
The CUAV C-RTK 9Ps is a navigation solution that eliminates the error margins of standard GPS modules, which are expressed in meters, by offering 1cm + 1ppm horizontal accuracy. Developed for mapping, precision agriculture, and autonomous inspection tasks, this module utilizes dual-frequency (L1/L2) RTK technology to mitigate ionospheric errors and achieves "RTK Fixed" mode (precise lock) within seconds, even in the most challenging terrain conditions.
C-RTK 9Ps Key Features
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U-blox ZED-F9P Dual-Frequency Processor: Tracks L1 and L2 bands simultaneously, providing much faster and more stable positioning. This minimizes signal loss even in "challenging canyon" environments with buildings or trees.
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Centimeter-Level Accuracy: When used with an RTK base station or network RTK (NTRIP), it achieves 1cm horizontal and 1.5cm vertical accuracy. This significantly reduces the need for Ground Control Points (GCPs) in photogrammetry projects.
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Simultaneous Quad-Satellite Tracking: Simultaneously tracks GPS, GLONASS, Galileo, and BeiDou systems. By focusing on the maximum number of satellites in the sky, it demonstrates the highest resistance to signal loss.
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RM3100 Industrial Compass: The high-precision magnetometer within the module has a much lower noise ratio compared to standard compasses. This makes the drone's heading determination stable even in environments with magnetic interference.
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DroneCAN (UAVCAN) Protocol: Transmits data digitally via CAN bus, preventing signal noise caused by cable length, and works seamlessly with Pixhawk-based autopilots.
Technical Specifications Table
| Feature | Detail |
| GNSS Processor | U-blox ZED-F9P (Multi-band) |
| Compass (Magnetometer) | RM3100 (High-Precision Industrial) |
| Communication Protocol | DroneCAN (UAVCAN) |
| Position Accuracy | RTK Fixed: 0.01m + 1ppm (Horizontal) |
| Refresh Rate | 20 Hz (in RTK Mode) |
| RTK Fix Time | < 10 seconds (Hot Start) |
| Operating Voltage | 5V DC |
| Dimensions / Weight | Φ60 x 14 mm / ~35g |
Application Areas
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Precision Photogrammetry and Mapping: Millimeter-accurate coordinate data for high-resolution maps.
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Autonomous Agricultural Spraying: Centimeter-accurate, non-overlapping tracking of spray routes.
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VTOL and UAV Autonomous Landing: Safe and precise landing in confined areas or on moving platforms.
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Construction Site and Mine Inspection: Reliable navigation in constantly changing areas with magnetic interference.