Type: High Precision Smart Antennas
Model: JS-NK43-1
Params: 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: Horizontal 1.8m, Vertical 3.5m (CEP, PDOP≤4); DGNSS: 0.4m; RTK: Horizontal 1cm+1ppm, Vertical 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
Baud Rate: 9600~921600bps (Default: 115200bps)
Supported Protocols: NMEA 0183 V4.1/V4.2; RTCM 2.X/3.X (MSM3~MSM7); Private binary protocol
Antenna: Built-in active antenna; φ42mm×28mm; Gain: 28~38dB; Impedance: 50Ω
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
Operational Limits: Dynamics ≤4g; Altitude ≤20000m; Velocity ≤500m/s
Operating Temperature: -40℃ ~ +85℃
Storage Temperature: -40℃ ~ +105℃
Humidity: 95% (non-condensing)
Mechanical Dimensions: φ43.0mm×37.5mm±0.5mm
Compliance: RoHS, CE
Material: Plastic, Metal
Applicable Industry: · UAV & Drone High-Precision Navigation & Control
· Automotive Autonomous Driving & Vehicle Positioning
· Precision Agriculture & Farm Machinery Automatic Navigation
· Intelligent Robots & Unmanned Mobile Equipment
· Surveying & Mapping & Geodetic Measurement
· Smart Logistics & Asset Tracking & Fleet Management
· Maritime Navigation & Vessel Positioning
· Industrial Monitoring & High-Dynamic Positioning Terminals
