JS-NK43-1
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JS-NK43-1
High Precision Antennas / Choke Ring Antennas
Jumpstar JS-NK43-1 Multi-Band Multi-Mode RTK GNSS Module - Built-In High-Gain Antenna, INS Integrated, High-Dynamic Positioning Solution
Multi-Band Full-Constellation
Supports GPS/BDS/GLONASS/Galileo/QZSS multi-system multi-frequency signal tracking for global coverage.
Centimeter-Level RTK Precision
Horizontal accuracy up to 1cm+1ppm, vertical 2cm+1ppm, meets high-precision positioning demands.
INS Integrated Navigation
Onboard inertial sensor, maintains continuous positioning when satellite signals are lost.
Built-In High-Gain Antenna
φ42mm active antenna integrated design, simplifies peripheral deployment and reduces development costs.
20Hz High-Speed Update
Supports RTK/positioning data output at 20Hz, adaptable to high-dynamic equipment control.
Multi-Band Multi-Mode RTK GNSS Module with INS Integration
JS-NK43-1 is a high-performance multi-band multi-mode RTK positioning module based on the next-generation GNSS SoC platform, integrating a professional high-sensitivity RF front-end and RTK positioning algorithm.
The module supports full-constellation multi-frequency signal reception, and is equipped with built-in high-gain active antenna and inertial navigation (INS) unit, achieving centimeter-level high-precision positioning in complex environments such as urban canyons, farmlands and drone flight scenarios.
It adopts a low-power design and wide-voltage power supply, with rich industrial-grade interfaces, and is widely used in unmanned aerial vehicles, autonomous driving, precision agriculture, intelligent robots and other high-dynamic positioning fields.
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Key Features & Benefits
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High-Performance GNSS SoC Built-in professional positioning chip, supports multi-system multi-frequency parallel processing.
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Centimeter-Level RTK Horizontal accuracy 1cm+1ppm, vertical 2cm+1ppm, fast RTK fixed solution in ≤6s.
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Full-Constellation Multi-Band GPS L1/L2/L5, BDS B1/B2/B3, GLONASS G1/G2/G3, Galileo E1/E5/E6, QZSS L1/L2/L5.
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INS/GNSS Combined Navigation Built-in six-axis IMU, dead reckoning error ≤3% of travel distance.
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Integrated Antenna Design φ42mm high-gain active antenna integrated, no external antenna needed.
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20Hz High-Dynamic Update RTK/positioning up to 20Hz, IMU up to 50Hz, adapts to drones and vehicles.
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Rich Protocols & Interfaces NMEA 0183 V4.1/V4.2, RTCM 2.X/3.X (MSM3~MSM7), 2×UART, I2C, 1PPS.
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Industrial-Grade Reliability Wide voltage 4.5~5.5V, -40℃~+85℃, anti-interference & anti-vibration.
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Technical Specifications
GNSS Performance
| Receiver Type | Multi-band multi-mode RTK GNSS positioning module (with INS integration) |
| Supported Constellations & Bands | GPS: L1C/A, L2C, L5; BDS: B1I, B1C, B2a, B2b, B3I; GLONASS: G1, G2, G3; Galileo: E1, E5a, E5b, E6; QZSS: L1, L2, L5; SBAS |
| Channel Configuration | 120 search channels + 80 tracking channels |
| Sensitivity | Tracking: -166dBm; Acquisition: -149dBm; Reacquisition: -160dBm |
| Time to First Fix | Cold Start: ≤30s; Warm Start: ≤12s; Hot Start: ≤1s; RTK Initialization: ≤6s (baseline <10km) |
| Positioning Accuracy | Single-point: H 1.8m, V 3.5m (CEP, PDOP≤4); DGNSS: 0.4m; RTK: H 1cm+1ppm, V 2cm+1ppm (RMS) |
| Inertial Navigation Parameters | IMU: Six-axis (3-axis gyro + 3-axis accelerometer); Gyro range: ±250°/s; Acceleration range: ±4g; Dead reckoning error: ≤3% of travel distance |
| Max Update Rate | RTK/Positioning: 20Hz; IMU: 50Hz |
| Operational Limits | Dynamics ≤4g; Altitude ≤20000m; Velocity ≤500m/s |
| Antenna | Built-in active antenna; φ42mm×28mm; Gain: 28~38dB; Impedance: 50Ω |
Interfaces & Power
| Baud Rate | 9600~921600bps (Default: 115200bps) |
| Supported Protocols | NMEA 0183 V4.1/V4.2; RTCM 2.X/3.X (MSM3~MSM7); Private binary protocol |
| Interfaces | 2×UART (TX/RX), I2C, 1PPS, RESET_N, VCC, GND, RF_IN |
| Power Supply | 4.5~5.5V (Typical: 5.0V) |
| Operating Current | Acquisition: 140~190mA@5V; Tracking: 130~180mA@5V; Standby: 25mA@5V |
| Operating Temperature | -40℃ ~ +85℃ |
| Storage Temperature | -40℃ ~ +105℃ |
| Humidity | 95% (non-condensing) |
| Mechanical Dimensions | φ43.0mm × 37.5mm ±0.5mm |
| Compliance | RoHS, CE |
Typical Applications
UAV & Drone Navigation
High-precision navigation & control for drones and UAVs
Autonomous Driving
Automotive autonomous driving & vehicle positioning
Precision Agriculture
Farm machinery automatic navigation & precision farming
Smart Logistics
Asset tracking, fleet management & logistics positioning
Intelligent Robots
Unmanned mobile equipment & autonomous mobile robots
Surveying & Mapping
Geodetic measurement & high-precision mapping
Marine Navigation
Vessel positioning & maritime navigation
Industrial Monitoring
High-dynamic positioning terminals & industrial detection
Resources & Downloads
JS-NK43-1 Datasheet
Complete specifications, electrical parameters, INS data and dimensions
Protocol Documentation
NMEA 0183 V4.1/V4.2, RTCM 2.X/3.X (MSM3~MSM7), private binary protocol
User Manual
Quick start guide, wiring diagrams, INS integration tutorials
3D CAD Model
STEP, IGES and STL formats for mechanical integration (φ43.0mm×37.5mm)
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