JS-UK39-F
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JS-UK39-F
RTK Positioning Boards
Jumpstar JS-UK39-F Multi-Constellation Multi-Frequency RTK GNSS Receiver Module – Ultra-High Sensitivity, Low Power, Compact High-Precision Positioning Solution
Full-Constellation Multi-Band Reception
Supports GPS, BDS, GLONASS, Galileo, QZSS, SBAS global satellite systems.
Ultra-Large Channel Capacity
192 search channels + 60 trace channels for efficient satellite signal processing.
Ultra-High Receiving Sensitivity
Tracking -167dBm, cold start acquisition -148dBm for weak-signal stability.
Centimeter-Level RTK Accuracy
Horizontal 1cm+1ppm, RTK convergence time <10s.
High-Speed Data Update
Max PVT 25Hz, RAW 25Hz for high-dynamic applications.
Low Power & Wide Voltage
3.3~5.5V supply, intelligent power control, ultra-low operating current.
High Integration & Compact Size
Built-in TCXO, LNA, SAW, RTC; 25.0×39.4×11.6mm for embedded use.
Dual UART Specialized Ports
UART1 for communication, UART2 dedicated for RTCM3 differential data.
Base/Rover Dual-Mode
Configurable as RTK base station or rover station for flexible networking.
Industrial-Grade Reliability
-40℃~+85℃ wide temperature, anti-interference for harsh environments.
Jumpstar JS-UK39-F
Multi-Constellation Multi-Frequency RTK GNSS Receiver Module
The JS-UK39-F is a concurrent multi-system GNSS high-precision receiver with a multi-band RF front-end architecture. It simultaneously receives and tracks the four global navigation satellite systems (GPS, BDS, GLONASS, Galileo) and is compatible with QZSS and SBAS augmentation systems. With correction data, it delivers centimeter-level RTK navigation positioning.
Powered by a high-performance GNSS SOC chip, it features ultra-high sensitivity, fast acquisition, and strong anti-interference capabilities. It adopts an intelligent power management mechanism for low-power operation and an ultra-compact size for space-constrained embedded devices. It is widely used in UAVs, surveying and mapping, automotive electronics, precision agriculture, intelligent robots and other high-precision positioning fields.
Full-constellation support, -167dBm sensitivity, 1cm+1ppm RTK accuracy, 25Hz update rate, and industrial-grade reliability make it an ideal high-precision positioning solution.
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Key Features & Benefits
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Full-Constellation Multi-Band Concurrent Reception Supports GPS, BDS, GLONASS, Galileo, QZSS, SBAS full-system signals for worldwide positioning coverage.
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Industry-Leading Receiving Sensitivity Tracking sensitivity up to -167dBm, cold start acquisition sensitivity -148dBm, ensuring stable positioning in blocked/weak-signal environments.
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Centimeter-Level RTK High Precision RTK horizontal accuracy 1cm+1ppm, convergence time <10s to meet professional surveying and precision control requirements.
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High-Dynamic Data Update Rate Max PVT update rate 25Hz, raw observation (RAW) update rate 25Hz, ideal for UAVs, autonomous driving and other high-dynamic scenarios.
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Low Power & Wide Voltage Design Operating voltage 3.3~5.5V, tracking current as low as 77mA@5V, intelligent power control extends device endurance.
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Highly Integrated Compact Structure Built-in TCXO, LNA, SAW, RTC; dimensions only 25.0×39.4×11.6mm for easy integration into miniaturized devices.
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Industrial-Grade Environmental Adaptability Operating temperature -40℃~+85℃ with strong anti-interference, suitable for outdoor and vehicle-mounted harsh environments.
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Technical Specifications
GNSS Performance
| Product Type | Multi-Constellation Multi-Frequency RTK GNSS Receiver Module |
| Channel Configuration | 192 search channels, 60 trace channels |
| Supported Signals | GPS: L1C/A, L2C; BDS: B1I, B2I; GLONASS: L1, L2; Galileo: E1, E5b; QZSS, SBAS |
| Sensitivity | Tracking: -167dBm; Cold start acquisition: -148dBm |
| Time To First Fix | Cold start: 25~30s; Hot start: 2s; Aided start: 2s |
| Positioning Accuracy | Single-point: 1.5m CEP; SBAS: 1.0m CEP; RTK: 1cm+1ppm CEP |
| Data Update Rate | RTK: Max 20Hz; PVT: Max 25Hz; RAW: Max 25Hz |
| Timing Accuracy | Pulse RMS: 30ns; 99%: 60ns; Pulse frequency: 0.25Hz~10MHz (configurable) |
| Velocity Accuracy | 0.05m/s |
| Operational Limits | Dynamics ≤4g; Altitude ≤80000m; Velocity ≤500m/s |
| Supported Protocols | NMEA 0183 V4.0/V4.1, RTCM 3.3, UBX |
Electrical & Mechanical
| Operating Voltage | 3.3~5.5V DC (Typical 5V) |
| Operating Current | Acquisition: 79~90mA@5V; Tracking: 77~85mA@5V |
| Interfaces | 2×UART, RF_IN, LED Indicator, PPS |
| Dimensions | 25.0×39.4×11.6mm±0.5mm |
| Operating Temperature | -40℃~+85℃ |
| Storage Temperature | -40℃~+85℃ |
| Humidity | 95% Non-condensing |
| Certification | RoHS Compliant |
Typical Applications
Unmanned Aerial Vehicles (UAVs)
High-precision positioning for drones, aerial surveying and autonomous flight
Geodetic Surveying & Engineering Measurement
Professional land surveying, GIS data collection and engineering measurement
Automotive Navigation & Vehicle-Mounted Positioning
High-precision navigation for vehicles, fleet management and telematics
Precision Agriculture Machinery
Automated guidance, precision farming and field mapping
Intelligent Robots & AGVs
Autonomous navigation for robots, AGVs and logistics automation
Marine Navigation & Fleet Management
Vessel tracking, fleet operations and marine positioning
Handheld High-Precision GPS Terminals
Portable devices requiring cm-level accuracy in field operations
Driving Test & Vehicle Calibration
Vehicle tracking for driving schools, test routes and vehicle calibration
Personnel Protection & Location Services
Real-time location tracking for first responders and field personnel
Intelligent Logistics Scheduling
Asset tracking, warehouse automation and supply chain visibility
Resources & Downloads
JS-UK39-F Datasheet
Complete specifications, pinout, electrical and mechanical details.
Mechanical Drawing
2D/3D mechanical dimensions and pad layout (25.0×39.4×11.6mm).
User Manual
Quick start guide, integration tips, and configuration protocols.
3D CAD Model
STEP, IGES and STL formats for mechanical integration (25.0×39.4×11.6mm).
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