The SIYI RTK Positioning & Orientation Module is a professional high-precision GNSS RTK module designed for drones, unmanned ground vehicles, unmanned surface vehicles, robotic systems, and advanced autonomous platforms.
Built for demanding applications, this module provides centimeter-level RTK positioning, dual-antenna orientation, and strong anti-interference performance for accurate navigation and reliable heading information.
Full-System Full-Frequency RTK Positioning
The SIYI RTK module supports multiple satellite navigation systems, including GPS, GLONASS, BeiDou, Galileo, and QZSS.
This full-system full-frequency GNSS support helps improve positioning accuracy, satellite availability, and navigation reliability during professional unmanned system operations.
Centimeter-Level Positioning Accuracy
The module provides high-precision RTK positioning with accuracy up to 0.8 cm + 1 ppm horizontal and 1.5 cm + 1 ppm elevation.
This makes it suitable for applications requiring accurate positioning, such as mapping, surveying, precision agriculture, inspection, autonomous navigation, and industrial robotics.
Dual-Antenna Orientation
The SIYI RTK Positioning & Orientation Module supports single-module dual-antenna orientation, allowing the system to calculate accurate heading information using two antennas.
With a 1-meter antenna baseline, the module can reach 0.2° orientation accuracy, helping replace or support traditional magnetic compass systems in complex electromagnetic environments.
RM3100 Industrial Magnetic Compass
The module integrates a PNI RM3100 industrial magnetic compass, designed to improve magnetic field measurement resolution, reduce noise, and provide reliable backup heading data.
This is especially useful for UAVs and robotic systems operating near metallic structures, power lines, industrial equipment, or other sources of electromagnetic interference.
Anti-Interference Design
The SIYI RTK module includes anti-interference features designed to improve performance in complex electromagnetic environments.
It supports interference detection, secure digital data transmission, and independent multi-frequency point tracking to help maintain accurate positioning and orientation data during demanding operations.
Compact & Lightweight Integration
With dimensions of 40 × 30.5 × 15 mm and a weight of only 22.8 g, the SIYI RTK Positioning & Orientation Moduleis compact and easy to integrate into UAVs, UGVs, USVs, and robotic platforms.
Its lightweight design makes it suitable for professional platforms where space, weight, and wiring simplicity are important.
Professional Interfaces
The module includes UART, I2C, and USB Type-C interfaces, offering flexible integration with flight controllers and robotic control systems.
It is suitable for professional unmanned systems requiring high-precision GNSS positioning, orientation data, and reliable communication with the onboard control system.
Professional UAV & Robotics Applications
The SIYI RTK Positioning & Orientation Module is ideal for industrial UAVs, mapping drones, inspection drones, agricultural drones, VTOL aircraft, UGVs, USVs, robotic platforms, and autonomous navigation systems.
Its combination of centimeter-level RTK accuracy, dual-antenna heading, RM3100 compass, multi-constellation GNSS, and compact lightweight design makes it a strong solution for professional positioning and orientation applications.
Technical Specifications
Product: SIYI RTK Positioning & Orientation Module
Brand: SIYI
Product Type: GNSS RTK Positioning & Orientation Module
Electronic Compass: PNI RM3100
Satellite Systems: GPS / GLONASS / BeiDou / Galileo / QZSS
Positioning Accuracy: Horizontal 0.8 cm + 1 ppm / Elevation 1.5 cm + 1 ppm
Orientation Accuracy: 0.2° with 1 m antenna baseline
Single Point Positioning: Horizontal 1.5 m / Elevation 2.5 m
DGPS Auxiliary Positioning: Horizontal 0.4 cm + 1 ppm / Elevation 0.8 cm + 1 ppm
Max Satellites: Single 28+ / RTK 50+
Kinematic Data Format: RTCM3.X
GPS Acquisition Time: Cold start < 30 s / Hot start < 5 s
Antenna Gain: 2 dBi
Data Refresh Rate: Default 5 Hz / Max 20 Hz
Interfaces: 1 × UART & I2C, 1 × UART, 1 × USB Type-C
Antenna Connector Type: MMCX
Working Voltage: 4.5–5.5V
Power Consumption: 1W
Working Temperature: -30°C to 75°C
Dimensions: 40 × 30.5 × 15 mm
Weight: Approx. 22.8 g
Recommended Use: UAVs, UGVs, USVs, VTOL aircraft, mapping drones, inspection drones, agricultural drones and robotic platforms












