Type: High Precision RTK GNSS Module
Model: JS-NK40
Params: Receiver Type Multi-system multi-frequency high-precision RTK GNSS helical antenna module
Supported Constellations & Bands BDS B1I/B2I/B3I; GPS L1C/A/L2P(Y)/L2C/L5; GLONASS L1/L2; Galileo E1/E5a/E5b; QZSS L1/L2/L5; SBAS
Channels 1408 super channels
Time to First Fix Cold start <30s (-130dBm, ≥12 satellites)
Positioning Accuracy (RMS) 3D: Horizontal 1.5m, Vertical 2.5m; DGPS: Horizontal 0.4m+1ppm, Vertical 0.8m+1ppm; RTK: Horizontal 1.5cm+1ppm, Vertical 2.0cm+1ppm
Time Accuracy 20ns (RMS)
Velocity Accuracy 0.03m/s (RMS, 99%@static open sky)
RTK Initialization Time <5s (typical)
Baud Rate 9600-921600bps (Default: 115200bps)
Max Data Update Rate 20Hz
Supported Protocols Data: NMEA 0183, Unicore; Differential: RTCM3.X
Antenna Type Active helical antenna (φ35mm, Height 25mm)
Power Supply Voltage 3.3V-5.5V (Typical: 5.0V)
Operating Current 180mA-310mA @3.3V (Typical: 220mA @3.3V)
VCC Ripple ≤50mV
Operating Temperature -40℃ to 85℃ (without Farad capacitor)
Storage Temperature -40℃ to 85℃
Farad Capacitor Temperature -25℃ to 60℃ (hot start unavailable outside this range)
Humidity 95%
Mechanical Dimensions 39.80mm×35.00mm×32.0mm ±0.3mm
Weight <10.2g
Geomagnetic Sensor Options Default: IST8310 (0x0F); Optional: VCM5883 (0x0C), QMC5883L (0x0D)
Compliance RoHS compliant
Material: Plastic + Metal + Ceramic
Applicable Industry: · UAV/Drones: Autonomous flight, aerial surveying and mapping
· Automotive Applications: Intelligent driving and vehicle positioning
· Precision Agriculture: Auto-steering agricultural machinery and precision operation
· Handheld Devices: High-precision mobile positioning terminals
· Logistics Security: Asset tracking and security monitoring
· Surveying and Mapping: Geographic survey and topographic data collection
· Robotics: Autonomous navigation and precise movement
· Smart Ports: Automated terminal operation and container positioning
· Electric Power Grid: Power facility inspection and grid positioning
· Smart Transportation: Traffic monitoring and intelligent vehicle management
