Type: High Precision RTK GNSS Module
Model: JS-UK40
Params: Receiver Type Multi-band concurrent GNSS RTK helical antenna module
Supported Constellations & Bands GPS/QZSS/SBAS: L1C/A, L2C; Galileo: E1, E5b; GLONASS: L1OF, L2OF; BDS: B1I, B2I
Channels 192 search channels, 60 tracking channels
Sensitivity Tracking: -167dBm; Reacquisition: -148dBm; Cold Start Acquisition: -148dBm
Time to First Fix Cold Start:25s; Warm Start:20s; Hot Start:2s (all satellites ≥-130dBm)
Positioning Accuracy PVT:1.5m CEP; SBAS:1.0m CEP; RTK:2cm+1ppm (Horizontal, ≤30km baseline)
Time Accuracy 1PPS:30ns RMS
Velocity Accuracy 0.05m/s (50%@30m/s dynamic operation)
Operational Limits Dynamics ≤4g; Altitude 80000m; Velocity 500m/s
Baud Rate 9600-921600bps (Default:38400bps)
Max Update Rate GPS RTK:20Hz; GNSS RTK:7Hz
Supported Protocols NMEA 0183(V4.11/V4.10/V4.0/V2.3/V2.1), RTCM3.3, UBX(Proprietary)
Antenna Type Active helical antenna; Default passive size:φ35mm, height 25mm
Power Supply Voltage 3.3V-5.5V (Typical:5.0V)
Operating Current Acquisition:110-140mA@5.0V; Tracking:110-130mA@5.0V
Digital IO Voltage 3.3V
Operating Temperature -40℃ to 85℃ (without Farad capacitor)
Storage Temperature -40℃ to 85℃
Farad Capacitance Temperature -25℃ to 60℃ (hot start unavailable outside this range)
Humidity 95%
Mechanical Dimensions Bottom diameter:39.80mm; Top diameter:35.00mm; Height:32.00mm ±0.3mm
Geomagnetic Sensor Options Default:IST8310(0x0F); Optional:VCM5883(0x0C), QMC5883L(0x0D)
Interfaces Dual UART (UART1/UART2), I2C (SDA/SCL), PPS, VCC, GND
Compliance RoHS compliant
Material: Plastic + Metal
Applicable Industry: · Handheld Terminals: High-precision mobile positioning and surveying devices
· UAVs: Aerial surveying, mapping and autonomous flight positioning
· Agricultural Automation: Precision agricultural machinery and unmanned farming
· Intelligent Robots: Autonomous navigation and precise movement control
· Aided Driving: Vehicle high-precision positioning and assisted navigation
· Vehicle Management: Fleet positioning, monitoring and dispatch
· Wisdom Construction Sites: Site personnel and equipment positioning
· Intelligent Safety Testing: Real-time safety monitoring and positioning
· Smart Cities: Urban infrastructure positioning and management
