JS-MK39-F
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JS-MK39-F
RTK Positioning Boards
Jumpstar JS-MK39-F Multi-Constellation GNSS RTK Receiver Module – High Sensitivity, Low Power, Compact Embedded Positioning Solution
Full-Constellation Multi-Band
Supports GPS/BDS/GLONASS/QZSS, compatible with Beidou-3.
Ultra-High Sensitivity
Tracking -163dBm, cold start acquisition -147dBm.
RTK Centimeter-Level Accuracy
Horizontal 2cm+1ppm high-precision positioning.
Low Power & Wide Voltage
Intelligent power control, 3.3~5.5V wide voltage supply.
Ultra-Compact Size
25.0×39.4×11.6mm, ideal for space-constrained devices.
Dual UART Ports
UART1 for communication, UART2 dedicated for RTCM3 differential data.
Base/Rover Dual-Mode
Configurable as base station or rover station for RTK networking.
High Integration
Built-in TCXO, LNA, SAW, RTC for stable and reliable performance.
Jumpstar JS-MK39-F
Multi-Constellation GNSS RTK Receiver Module
The JS-MK39-F is a concurrent multi-system GNSS receiver adopting a multi-band RF front-end architecture. It simultaneously supports 6 frequency points of three systems: BDS B1/B2, GPS L1/L2, GLONASS G1/G2, and is compatible with QZSS and Beidou-3 satellites.
With a high-performance GNSS SOC chip, it achieves exceptional receiving sensitivity and fast positioning speed, and is equipped with anti-interference technology to ensure reliable positioning in complex signal environments. It features low power consumption, intelligent power control, wide voltage input and ultra-compact size, widely used in UAVs, automotive electronics, precision agriculture, surveying and mapping, handheld terminals and intelligent robots.
Full-constellation support, ultra-high sensitivity (-163dBm), RTK cm-level accuracy, and base/rover dual-mode make it an ideal embedded positioning solution.
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Key Features & Benefits
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Multi-System Multi-Frequency Concurrent Reception Supports GPS, BDS, GLONASS, QZSS full constellations; covers 6 mainstream frequency points, fully compatible with Beidou-3 satellites.
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Ultra-High Receiving Sensitivity Tracking sensitivity up to -163dBm, cold start acquisition sensitivity -147dBm, stable positioning in weak signal environments.
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High-Precision RTK Positioning Supports RTK differential mode with horizontal accuracy 2cm+1ppm; configurable as base station/rover station for networking applications.
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Low Power & Wide Voltage Design Intelligent power control mechanism; operating voltage 3.3~5.5V, low tracking current for long-endurance devices.
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Highly Integrated & Miniature Built-in TCXO, LNA, SAW, RTC; compact size 25.0×39.4×11.6mm for embedded integration.
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Dual UART Specialized Configuration UART1 for host communication; UART2 dedicated for RTCM3 differential data transmission, improving data stability.
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Industrial-Grade Reliability Wide operating temperature -40℃~+85℃, anti-interference design, stable operation in harsh environments.
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Technical Specifications
GNSS Performance
| Product Type | Multi-Constellation Multi-Frequency GNSS RTK Receiver Module |
| Supported Signals | GPS: L1C/A, L2C; BDS: B1I, B2I; GLONASS: G1, G2; QZSS: L1, L2 |
| Channels | 96 search channels, 60 trace channels |
| Sensitivity | Tracking: -163dBm; Reacquisition: -147dBm |
| Time to First Fix | Cold Start: ≤35s; Hot Start: 1s |
| Positioning Accuracy | Autonomous: 2.0m; DGNSS: 0.5m; RTK: 2cm+1ppm (Horizontal) |
| Timing & Speed | Time Pulse RMS: 30ns; Velocity Accuracy: 0.05m/s |
| Update Rate | Default 1Hz, Max 10Hz |
| Supported Protocols | NMEA 0183 V4.0/4.1, RTCM 3.X, Custom JMS |
Electrical & Mechanical
| Operating Voltage | 3.3~5.5V DC (Typical 5V) |
| Operating Current | Acquisition: 90~130mA@5V; Tracking: 90~120mA@5V |
| Interfaces | 2×UART, RF_IN, LED Indicator, PPS |
| Dimensions | 25.0×39.4×11.6mm±0.3mm |
| Operating Temperature | -40℃~+85℃ |
| Storage Temperature | -45℃~+85℃ |
| Humidity | 95% Non-condensing |
| Operational Limits | Dynamics ≤4g; Altitude ≤18000m; Velocity ≤515m/s |
| Certification | RoHS Compliant |
Typical Applications
Unmanned Aerial Vehicles (UAVs)
High-precision positioning for drones, aerial surveying and autonomous flight
Automotive Electronics & Car Navigation
High-precision navigation for vehicles, fleet management and telematics
Precision Agriculture Machinery
Automated guidance, precision farming and field mapping
Handheld High-Precision GPS Terminals
Portable devices requiring cm-level accuracy in field operations
Surveying and Mapping Measurement
Professional land surveying, GIS data collection and geodetic measurement
Marine Navigation & Fleet Management
Vessel tracking, fleet operations and marine positioning
Intelligent Robots & AGVs
Autonomous navigation for robots, AGVs and logistics automation
Driving Test & Training
Vehicle tracking for driving schools, test routes and performance evaluation
Personnel Protection & Positioning
Real-time location tracking for first responders and field personnel
AVL & Location-Based Services
Automatic vehicle location, telematics and location services
Resources & Downloads
JS-MK39-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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