C-RTK 2 PPK High-Precision Positioning Module
- Supports both RTK & PPK.
- Supports hot shoe trigger.
- Multi-constellation and multi-frequency receiver.
- 25Hz raw data recording.





Multi-star Multi-Frequency High- Precision Positioning
Built-in u-blox F9P multi-star multi-frequency satellite receiver,support BeiDou,Galieo, Glonass, GPS four satellite systems, and support the simultaneous reception of four satellite systems, positioning accuracy ≤rtk 0.01m + 1ppm CEP.


High Performance H7 Processor
C- RTK 2 uses STM32H7 processor, STM32H743 processor, Cortex-M7 core (with double-precision floating point unit), running frequency as high as 480MHz,2MB Flash,1MB RAM, running real-time system, enable C- RTK 2 to work efficiently and stably.
Built-in High-Precision Industrial IMU
C- RTK 2 built-in high-precision industrial grade ICM-20689 accelerator & gyroscope, RM3100 electronic compass, ICP10111 barometer, can be configured for flight controller external IMU, and can be shot in the posture, rich information such as elevation is recorded in POS data.

ICM-20689 Acc & Gyro
ICP-10111 Barometer
RM3100 Compass

Before using C-RTK 2
After using C-RTK 2
Less Control Point
By using C-RTK 2 for mapping, the control point can be reduced by more than 80%. With the use of professional mapping camera, can even realized control point free.
Specification
GNSS Receiver | u-blox F9P |
Processor | STM32H743VIH6 32-bit Arm® Cortex®-M7 480MHz MCUs, 2MB Flash, 1MB RAM |
Accel | ICM-20689 |
Gyro | ICM-20689 |
Mag | RM3100 |
Barometer | ICP10111 |
Number of Concurrent GNSS | 4 |
GNSS Band | BeiDou: B1I, B2I. Galileo: E1B/C, E5b. GLONASS: L1OF, L2OF. GPS: L1C/A, L2C. QZSS: L1C/A, L2C, L1S. SBAS: L1C/A. |
Position Accuracy | RTK: 0.01m + 1ppm (level), 0.02m + 1ppm (vertical). GPS: 1.5m (level) |
Communication Protocol | DroneCAN, NMEA, UBX binary |
Differential Data | RTCM 3.x |
PPK Support | support |
Navigation Update Rate | 5Hz Default. RTK: 20Hz (Max). PPK: 25Hz (Max). |
Support Controller | CUAV, Pixhawk etc. |
Support Firmware | Ardupilot, PX4 |
Operating Voltage | 4.5V ~ 6V |
Operating Temperature | -20℃ ~ 85℃ |
Dimensions | 56mm × 33mm ×16.5mm |
Weight | 49g |
Interfaces | HotShoe Trigger × 1. Shutter Input × 1. Shutter Output × 1. USB (Type-C) × 1. F9P USB × 1. F9P UART × 1. CAN × 1. Antenna Port (MMCX) × 1 |
Dimensions chart

ArduPilot, Dronecode, and PX4 Long-Term Partners
CUAV Technology Co., Ltd. is a National High-Tech Enterprise and Guangdong Provincial Specialized, Sophisticated, Innovative SME that focuses on open-source unmanned system innovation technologies. It integrates R&D, production, sales, after-sales service, and technical support into a cohesive operation. The company maintains long-term collaborative partnerships with leading open-source organizations such as ArduPilot, Dronecode, and PX4.
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