RTK GNSS Module

Type: High Precision RTK GNSS Module Model: JS-SK40 Params: Receiver Type Multi-system multi-frequency high-precision RTK GNSS helical antenna module Supported Constellations & Bands BDS: B1I/B1C/B2a/B2I/B2b/B3I; GPS: L1C/A/L1C/L2PY/L2C/L5; GLONASS: L1CA/L2CA/L2P/L3 CDMA; Galileo: E1/E5a/E5b/E6; QZSS: L1C/A/L1C/B/L2C/L5/L6* Channels 789 hardware super channels Time to First Fix Cold Start:35s; Hot Start:10s; Reacquisition:1s; RTK Initialization:7s (baseline<30km) Sensitivity Tracking: -150dBm (20dB-Hz); Acquisition: -140dBm (30dB-Hz) Positioning Accuracy (RMS) 3D: Horizontal 1.5m, Vertical 2m; DGNSS: Horizontal 0.4m, Vertical 0.7m; RTK: Horizontal 0.6cm+0.5ppm, Vertical 1cm+1ppm (24h static, ≥15 satellites) Time Accuracy PPS:1.4ns RMS; Event:<3ns; Latency:<10ms (99.9%) Velocity Accuracy 3cm/s Max Data Update Rate 20Hz Baud Rate 4800-4M bps (Default:115200bps) Supported Protocols NMEA 0183(v2.3/v3.0/v4.0), SBF (Proprietary), RTCM3.X (MSM included) Antenna Configuration Dual antenna: built-in active antenna + external MMCX antenna; Antenna bias:3.0-5.5V (150mA current limit); Gain:15~35dB Power Supply Voltage 4.8V-5.5V (Typical:5.0V) Operating Current Acquisition:135mA-180mA@5.0V; Tracking:123mA-170mA@5.0V Operating Temperature -40℃ to 85℃ Storage Temperature -45℃ to 85℃ Humidity 95% Mechanical Dimensions 39.80mm×35.00mm×32.41mm ±0.3mm Weight <10.2g Geomagnetic Sensor Options Default:IST8310(0x0F); Optional:VCM5883(0x0C), QMC5883L(0x0D) Interfaces Dual UART (UART1/UART2), I2C (SDA/SCL), PPS, MMCX RF connector Compliance RoHS compliant Material: Plastic + Metal Applicable Industry: · UAV/Drones: Autonomous flight, aerial surveying and mapping · Automotive Applications: Intelligent driving and high-precision vehicle positioning · Precision Agriculture: Auto-steering agricultural machinery and precision operation · Marine Navigation: Ship positioning and maritime fleet management · Logistics & Security: Asset tracking and cargo security monitoring · Surveying & Mapping: Professional geographic survey and topographic data collection · Robotics: Autonomous navigation and precise movement control · Smart Ports: Automated terminal operation and container positioning · Power Grid & Electricity: Power facility inspection and grid positioning · Smart Transportation: Intelligent traffic monitoring and management