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_.webp "JS-RK43-3")
_.webp "JS-RK43-3")
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_.webp "JS-RK43-3")
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_.webp "JS-RK43-3")
The JS-RK43-3 is a dual-band L1/L5 high-precision GNSS module optimized for multi-constellation tracking. Its advanced RF front end integrates anti-multipath and anti-jamming design with multi-tone interference filtering, delivering high sensitivity, fast acquisition, and stable centimeter-level positioning. Designed for UAV applications, it ensures reliable performance in complex and challenging environments.
Product Features
Based on a high-performance GNSS SOC chip.Navigation update rate up to 10 Hz
200 tracking channels and a deldicated search engine
Low power consumption design
Intelligent interference detection and suppression
Configured with2 UART interfaces, enabling simultaneous transmission of differential data and ephemeris data
Supports GPS, BDS, GLONASS, Galileo, QZSS,and IRNSS
Supports SBAS and AGNSS
Indoor/outdoor multi-path detection and compensation
Integrates TCXO, LNA, SAW,RTC
Compact size(Bottom: φ48.00mm,Top: φ43.20mm,Height:37.00mm), lightweight (<23.20g)
Compliant with ROHS standards
Supports standard NMEA 0183 / RTCM3.X protocols.Supports both Rover and Base Station operation modes
The module can be equipped with a magnetometer sensor
Performance
| Parameter | Specifications |
| Constellations & Frequency bands | GPS L1 L5 BDS B1I B1C B2I B2B B2A Galileo E1 E5 GLONASS G1 QZSS L1 L5 IRNSS L5 |
| Sensitivity | Tracking & Navigation: -165 dBm |
| Re-acquisition: -159 dBm | |
| Hot Start: -159 dBm | |
| Cold Start: -148 dBm | |
| Time-To-First-Fix | Cold Start: 28 s |
| AGPS: 1.5 s | |
| Hot Start: 1 s | |
| GNSS Positioning Accuracy | Single Point Positioning: |
| Horizontal: 1.5 m CEP | |
| Vertical: 2.5 m CEP | |
| RTK: | |
| Horizontal: 1.0 cm +1ppm CEP | |
| Vertical: 1.5 cm +1ppm CEP | |
| Time Accuracy | PPS: < 20ns RMS |
| Velocity accuracy | 0.1 m/s CEP |
| Operational limits | Dynamics: ≤ 4 g |
| Altitude: 18000 m | |
| Velocity: 515 m/s | |
| Baud Rate | 115200–921600 bps (Default 115200 bps) |
| Max navigation update rate | 10 Hz (default 1Hz) |
Pin Assignment
| No. | Name | I/O | Description |
| 1 | GND | - | Ground |
| 2 | TX2 | O | UART2 Outputs RTCM3 Data |
| 3 | RX2/PPS | I/O | UART2 (For 1PPS Output / RTCM3 Input) |
| 4 | SDA | I/O | I2C Data (keep open if not used) |
| 5 | SCL | I/O | I2C Clock (keep open if not used) |
| 6 | TX1 | O | UART1 output |
| 7 | RX1 | I | UART1 input |
| 8 | VCC | P | Main supply |
Applications
UAV/Drones
Smart Transportation
Smart Robots .Wearable Devices
Intelligent Logistics Dispatch
Automotive Navigation and Tracking
Power Grid / Electric Power
Precision Agriculture
Logistics /Security
Handheld Terminal
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