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C-RTK 3 X20P is an integrated positioning module that combines professional-grade positioning, industrial-grade attitude perception, and multi-layered safety protection. The core relies on the u-blox X20 all-band GNSS platform, which supports concurrent reception across all constellations and all bands, and achieves centimeter-level positioning accuracy through RTK/PPP-RTK technology. It integrates a high-performance STM32H523 processor and an RM3100 three-axis electronic compass, and supports high-speed communication with DroneCAN/CAN FD. It adopts a compact design, a wide-temperature design, and end-to-end security protection. It can meet the integration requirements of harsh industrial environments and small equipment, providing highly reliable, plug-and-play precision positioning services for high-end scenarios such as unmanned systems and industrial automation.
C-RTK 3 X20P GNSS MODULE Feature:
All-Band and All-Constellation Coverage
High-Integrated and High-Compatible Design
Multi-Layer Security Protection System
u-blox X20 GNSS Platform
RM3100 Electronic Compass
Support Galileo OSNMA Navigation Message Authentication
Specification:
Basic Parameters |
|
| Processor | STM32H5 (Main Band 280MHz, Flash 512KB, RAM 128KB) |
| Hardware Channel | 672 pcs |
| Support Constellation and Band | GPS: L1C / A / L2C / L5 GLONASS: L1OF、L2OF BeiDou: B1I、B1C、B2a、B3I Galileo: E1-B / C / E5a / E6 QZSS: L1C / A、L1C / B、L2C、L5 NavIC: L1 – SPS / L5 – SPS |
| Assisted and Enhanced Positioning | AssistNow™ Live Orbits: GPS L1C / A、Galileo E1、QZSS L1C / A、BeiDou B1I SBAS: EGNOS / GAGAN / MSAS / WAAS / BDSBAS u-blox PointPerfect Correction Service (Flex / Live / Global) |
| Security Protection | 1. Built-in CW Interference Detection and Spectrum Analysis Functions 2. Galileo OSNMA Navigation Message Authentication 3. Secure Boot (Only Execute Signed Firmware), Configuration Locking, Tamper-Proof Storage Area 4. Active Antenna Short Circuit / Open Circuit Detection |
| Positioning Accuracy | Standalone: Horizontal 1.2 m, Vertical 2.0 m DGNSS: Horizontal 0.6 m, Vertical 1.0 m PPP-RTK: Horizontal <0.06 m, Vertical <0.10 m RTK: Horizontal 0.006 m + 1 ppm, Vertical 0.01 m + 1 ppm |
| Max Update Rate | 25 Hz |
| Convergence Time | PPP-RTK: < 40 s RTK: < 7 s |
| Start Time | Cold Start: 25 s Hot Start: 2 s Aided Start: 2 s |
| Sensitivity | Tracking: -167 dBm Cold Start: -148 dBm Reacquisition: -160 dBm Hot Start: -158 dBm |
| PPS Timepulse | Pulse Accuracy RMS: 20 ns Pulse with 99% confidence: 60 ns Frequency: 1PPS (Default, 0.25 Hz~10 MHz Configurable) |
| Built-in Electronic Compass | RM3100 |
| Measurement Range | ±1100 μT (Wide Dynamic Magnetic Field Adaptation) |
| Resolution | 13 nT@200 Cycle Count; Detection Sensitivity 2.7 nT at 1 Hz |
| Noise Level | 15 nT@200 Cycle Count; Noise Floor 4 pT /√Hz (1Hz) |
| Linearity | 0.50% within ±200 μT |
| Protocol | CAN : DroneCAN/CAN FD |
| UART: NMEA 4.11/4.10/4.0、UBX、RTCM 3.4、SPARTN 2.0.2 | |
| Communication Rate | 1 Mbit/s (CAN) 8 Mbit/s (CAN FD) |
| Upgrade Support | Support |
| Firmware | C-RTK 3 M4C |
Port Type |
|
| UART | 1 × UART (JST GH 1.25 4P) |
| CAN | 1 × CAN (JST GH 1.25 4P) |
| USB | 1 × USB (TYPE-C) |
| Antenna Port | 1 × ANT (BWMCX-KEF) |
Hardware Parameters |
|
| Operating Voltage | 4.75 ~ 5.3V (200 mA) |
| Size | 52 × 48.5 × 16.5 mm (Includes screw holes) |
| Weight | 30 g (Excludes antenna and feeder cable) |
| Operating Temperature | -15 ~ +85 ℃ |
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