The JS-NK43-1 is a full-constellation, multi-frequency RTK GNSS module supporting BDS, GPS, GLONASS, Galileo, QZSS, and SBAS. Built on a next-generation RF baseband and high-precision SoC engine with 1408 channels, it delivers high sensitivity, fast acquisition, and robust anti-jamming performance for reliable positioning in demanding environments.
Product Features
High-performance GNSS SoC chip
1408 super channels
Full-system, full-frequencyRTK positioning
RTK update rate up to 20Hz
Support BDSB1I/B2I/B3I/B1C/B2a/B2b+GPS L1/L2/L5+GLONASS L1/L2+Galileo E1/E5a/E5b/E6+QZSS L1/L2/L5/L6+SBAS.Support AGPS
Integrated high-gain antenna
Compact size:48.0mm x43.2mm x 37.0mm ±0.5mm
60dB narrowband anti-jamming
Performance
| Parameter | Specification |
| Receiver type | BDS B1I, B2I, B3I, B1C, B2a, B2b GPS L1C/A, L1C, L2P(Y), L5 GLONASS G1, G2 Galileo E1, E5a, E5b, E6 QZSS L1, L2, L5, L6 |
| Position accuracy | 3D(RMS) |
| Horizontal: 1.5m | |
| Vertical: 2.5m | |
| DGPS(RMS) | |
| Horizontal: 0.4m | |
| Vertical: 0.8m | |
| RTK(RMS) | |
| Horizontal: 0.8cm+1ppm | |
| Vertical: 1.5cm+1ppm | |
| Time Accuracy (RMS) | 10ns |
| Velocity Accuracy (RMS) | 0.03m/s |
| Initialization Time | <5s (Typical) |
| Baud Rate | 115200-230400bps (Default 115200bps) |
| Max navigation update rate | 20 Hz (Default 1Hz) |
Pin assignment
| No. | Item | I/O | Description |
| 1 | GND | G | Ground |
| 2 | TX2 | O | UART2 Output (RTCM3 Data) |
| 3 | PPS/RX2 | O/I | UART2: 1PPS Output (Default)/RTCM3 Input |
| 4 | SDA | I/O | I2C Data (Leave open if unused) |
| 5 | SCL | I/O | I2C Clock (Leave open if unused) |
| 6 | TX1 | O | UART1 Data Output |
| 7 | RX1 | I | UART1 Data Input |
| 8 | VCC | I | Power Supply (3.3V-5.5V) |
Applications
Drones/UAV
Surveying & Mapping
Automotive
Smart Robotics
Precision Agriculture
Smart Ports
Marine Navigation
Power Grids
Logistics & Security
Intelligent Transportation
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