JS-AUP20FG-1
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JS-AUP20FG-1
Standard Precision Modules
Jumpstar JS-AUP20FG-1 L1 Multi-Mode GNSS Positioning Module - Low Power, Geomagnetic Integrated, Drone & Robot Dedicated
L1 Full Constellation Support
Simultaneously receives GPS, BDS, GLONASS, Galileo, QZSS, SBAS for global stable positioning.
Ultra-High Sensitivity
Tracking sensitivity up to -166dBm, fast positioning in weak-signal and complex environments.
Built-in Geomagnetic Sensor
Integrates QMC5883L (default)/IST8310/VCM5883 for attitude & heading output.
Anti-Jamming & Anti-Spoofing
Detects interference/spoofing, filters RF noise to ensure positioning security.
Ultra-Compact & Lightweight
20.0×20.0×12.2mm size, weight <7.8g, ideal for drone/robot miniaturization.
Jumpstar JS-AUP20FG-1
L1 Multi-Mode GNSS Positioning Module
The JS-AUP20FG-1 is a low-power, high-performance L1-band GNSS positioning module built on a professional GNSS chip. It supports concurrent reception of six satellite systems, with high-sensitivity tracking and fast positioning capability. Equipped with anti-jamming & anti-spoofing detection and filtering algorithms, it ensures stable and secure positioning.
Integrating TCXO, LNA, SAW, RTC, passive antenna and geomagnetic sensor, with UART+I2C dual interfaces. Designed for drones, robots and unmanned platforms, it provides high-precision position and attitude data.
L1 full constellation, -166dBm tracking sensitivity, 10Hz update rate, built-in geomagnetic sensor, and industrial-grade reliability make JS-AUP20FG-1 ideal for UAVs and robotics.
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Key Features & Benefits
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High-Performance GNSS Chip Stable positioning engine for dynamic flight/motion scenarios.
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Ultra-High Sensitivity Tracking -166dBm, cold start -148dBm for weak-signal environments.
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10Hz High-Speed Update Max 10Hz navigation update (default 1Hz) for real-time dynamic control.
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A-GNSS Fast Positioning Hot start 1s, cold start 29s for instant positioning.
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Integrated Geomagnetic Sensor Default QMC5883L, optional IST8310/VCM5883 for heading/attitude output.
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Anti-Interference Security Detects jamming/spoofing, suppresses RF noise for reliable positioning.
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Industrial-Grade Reliability -40℃ to 85℃ operating temperature, adapts to harsh outdoor environments.
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Technical Specifications
GNSS Performance
| Receiver Type | L1-band multi-mode GNSS positioning module |
| Supported Constellations & Bands | GPS/QZSS L1C/A; GLONASS L1OF; BDS B1I/B1C; Galileo E1B/C; SBAS(EGNOS/GAGAN/MSAS/WAAS) |
| Sensitivity | Tracking & Navigation: -166dBm; Cold Start: -148dBm |
| Time to First Fix | Cold Start:29s; Hot Start:1s (all satellites ≥-130dBm) |
| Positioning Accuracy (CEP 50%) | Autonomous:2.0m; SBAS:1.5m (24h static, >6SVs) |
| Time Accuracy | PPS RMS:30ns; 99%:60ns |
| 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, configurable) |
| Max Update Rate | 10Hz (Default:1Hz, configurable) |
| Supported Protocols | NMEA 0183(v2.1/2.3/4.0/4.10/4.11); Private Binary |
Electrical & Mechanical
| Antenna Type | Built-in passive antenna (15.0×15.0×4.0mm) |
| Geomagnetic Sensor | QMC5883L(default)/IST8310/VCM5883 |
| Power Supply Voltage | VCC:2.8V~5.5V (Typical:5.0V); Backup:1.8V~3.6V |
| Operating Current | 30~36mA@5.0V; Backup:28uA@3.3V |
| Digital I/O Voltage | 2.8V~3.3V |
| Operating Temperature | -40℃ ~ +85℃ (without farad capacitor) |
| Storage Temperature | -40℃ ~ +85℃ |
| Farad Capacitor Temperature | -25℃ ~ +60℃ (hot start unavailable outside this range) |
| Humidity | 95% |
| Mechanical Dimensions | 20.0mm × 20.0mm × 12.2mm ±0.3mm |
| Weight | <7.8g |
| Pin Interfaces | 5V, RX, TX, CL(I2C), DA(I2C), GND |
| Compliance | RoHS compliant |
Typical Applications
FPV Drones & Aerial Photography Drones
High-speed flight & stable hovering positioning
Educational/Training Drones & Formation UAVs
Group flight coordination & swarm navigation
Inspection UAVs & Unmanned Surface Vessels (USV)
Autonomous inspection & water surface navigation
Intelligent Robots & Autonomous Mobile Robots
Autonomous navigation & obstacle avoidance
Maritime Navigation & Fleet Management
Ship positioning & fleet dispatching
Smart Logistics Dispatch & Asset Tracking
Real-time cargo tracking & fleet optimization
Resources & Downloads
JS-AUP20FG-1 Datasheet
Complete specifications, pinout, electrical and mechanical details.
Mechanical Drawing
2D/3D mechanical dimensions and product layout (20×20×12.2mm).
User Manual
Quick start guide, integration tips, and configuration protocols.
3D CAD Model
STEP, IGES and STL formats for mechanical integration (20×20×12.2mm).
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