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_.webp "JS-ARK37-3")
_.webp "JS-ARK37-3")
_.webp "JS-ARK37-3")
_.webp "JS-ARK37-3")
_.webp "JS-ARK37-3")
The JS-ARK37-3 is a dual-frequency RTK positioning module supporting BDS, GPS, GLONASS, Galileo, and QZSS. Featuring advanced low-power design, it offers extended battery life without compromising performance. Its anti-multipath and interference algorithms ensure reliable positioning, ideal for applications in vehicle navigation, logistics, UAVs, and inspection robots.
Product Features
Utilises high-performance chips
200 tracking channels
Supports IMU-based integrated navigation
Supports SBAS
Supports AGPS
Supports standard NMEA 0183 protocol, differential data RTCM 3X
Supports diverse communication interfaces including CAN, TTL, RS232, etc.
Compact dimensions (36.00mm × 36.00mm × 9.70mm ±0.2mm), lightweight <33g, suitable for confined spaces
Performance Indicators
| Parameter | Detailed Explanation |
| Satellites Supported | GPS/QZSS: L1, L5 GLONASS: G1 Galileo: E1, E5 BDS: B1I, B1C, B2a, B2b, B2I IRNSS: L5 |
| Sensitivity | Cold Start: -148 dBm |
| Hot Start & Reacquisition: -159 dBm | |
| Tracking: -165 dBm | |
| Time To First Fix | Cold Start: 28 s |
| Hot Start: 1 s | |
| AGPS: 1.5 s | |
| Positioning Accuracy | Single Point² |
| Horizontal Accuracy: 1.0 m CEP | |
| Vertical Accuracy: 2.0 m CEP | |
| RTK | |
| Horizontal Accuracy: 1.0 cm + 1 ppm CEP | |
| Vertical Accuracy: 1.5 cm + 1 ppm CEP | |
| Velocity Accuracy | 0.1 m/s CEP |
| Operating Limits | Maximum Acceleration: <4g |
| Maximum Speed: ≤500 m/s | |
| Maximum Altitude: 20000 m | |
| Baud Rate | 9600–921600 dps (default 115200 dps) |
| Timing Accuracy | 1 PPS Output: <20 ns (RMS) |
| Maximum Update Rate | 10 Hz (default 1 Hz) |
Pin assignment
| Sequence | Symbol | Input/Output | Description |
| 1 | SCL | Input | IIC Clock |
| 2 | RX | Input | GNSS Receive Data (default TTL, RS232/CAN optional) |
| 3 | TX | Output | GNSS Transmit Data (default TTL, RS232/CAN optional) |
| 4 | GND | - | Ground |
| 5 | VDD | Input | GNSS Power Supply 3.5–12.0 V, typical 5 V |
| 6 | SDA | Input/Output | IIC Data |
Product Applications
Drone Applications
Surveying and Mapping
Intelligent Logistics Dispatch
Autonomous Robotics
Driverless Vehicles
Vehicle-Mounted Equipment Applications
Precision Agriculture and Positioning Services
Precision Control
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