WITMOTION RTK-M20 Full-constellation Full-frequency Extra-compact Anti-jamming，First Fix Time: ≤30s GNSS GPS
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Specifications
- Brand Name
- WitMotion
- High-concerned chemical
- None
- Origin
- Mainland China
- Output
- Digital Output
- Type
- Acceleration Sensor
- is_customized
- Yes
- Use
- Position Sensor
- Maximum Output Frequency
- 50HZ
- Input Voltage
- DC 3.6-6V, typical: 5.0V
- Position Accuracy
- PosiHorizontal 0.8cm+1ppm, Elevation 1.5cm+1ppm.tioning orientation; 3-Axis Heading ;Tilt Angle ; Roll
- Size
- 25*2.6*0.6cm
- Channel
- 1408
- Interface
- Type-C
- Support
- 3*UART,1*I2C*, 1*SPI, 1*CAN
- Baud rate
- 4800bps-921600bps, default 115200bps
- After-Sale Service
- Lifetime Technical Support
- Feature
- Dual-axis inclination monitoring
Product Description
Pros & Cons
Pros
- High positioning accuracy: Horizontal 0.8cm+1ppm, elevation 1.5cm+1ppm with full-constellation support
- Extra-compact size 25*2.6*0.6cm and anti-jamming for reliable GNSS GPS performance
- Multiple interfaces: UART, I2C, SPI, CAN with Type-C and high baud rates up to 921600bps
- Lifetime technical support and fast first fix time ≤30s
Cons
- Requires precise DC 3.6-6V power supply, no built-in battery
- Maximum output frequency limited to 50Hz
- Technical setup needed for UART/I2C/SPI integration, not plug-and-play for beginners
- Size may be too slim (0.6cm thick) for rugged outdoor handling without enclosure
Common Questions
What is the material used in the WITMOTION RTK-M20 GNSS GPS module?
The material is not explicitly specified, but it features a compact PCB design typical for acceleration and position sensors with anti-jamming capabilities.
What are the dimensions and size of the WITMOTION RTK-M20 Full-constellation GNSS GPS?
Size: 25*2.6*0.6cm, extra-compact design suitable for integration in drones, vehicles, or robotics.
What is the compatibility and interface options for WITMOTION RTK-M20 GPS module?
Compatible with DC 3.6-6V input (typical 5.0V), supports 3*UART, 1*I2C, 1*SPI, 1*CAN interfaces, Type-C connector, baud rate 4800bps-921600bps.
How is the WITMOTION RTK-M20 GNSS used for positioning and what is its accuracy?
Used as a position sensor for horizontal accuracy 0.8cm+1ppm, elevation 1.5cm+1ppm, first fix time ≤30s, supports 3-axis heading, tilt angle, roll, dual-axis inclination monitoring, max output 50Hz.
What is the shipping and after-sale service for WITMOTION RTK-M20 from Mainland China?
Origin: Mainland China, lifetime technical support provided, standard shipping times apply with is_customized: Yes option.
Product information last updated on April 2, 2026