JS-AD56UB8
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JS-AD56UB8
Standard Precision Modules
Jumpstar JS-AD56UB8 Multi-GNSS High-Sensitivity Positioning Module - Low Power, Compact Circular Design, Multi-Interface & Sensor Optional
Ultra-High Sensitivity
Tracking sensitivity up to -167dBm, cold start acquisition sensitivity -148dBm for stable weak-signal positioning.
Multi-GNSS Concurrent Tracking
Simultaneously receives GPS, BDS, GLONASS, Galileo, SBAS and QZSS for global signal coverage.
Low Power & High Performance
Powered by U8 GNSS chip with over 2 million effective correlators, optimized power consumption for long runtime.
Compact Circular Design
φ56mm×8.9mm miniature size, perfect for space-constrained embedded devices.
Rich Customization Options
Supports TTL/CAN interfaces, optional magnetometer, barometer and MCU for flexible integration.
Jumpstar JS-AD56UB8
Multi-GNSS High-Sensitivity Positioning Module
The JS-AD56UB8 is a multi-mode, low-power, cost-effective multi-GNSS positioning module built on the high-performance U8 position engine. It supports concurrent reception of GPS, BDS, GLONASS, Galileo, SBAS and QZSS, delivering exceptional sensitivity, fast acquisition speed and strong interference suppression for reliable positioning in challenging signal environments.
With integrated TCXO, LNA, SAW and RTC, plus optional sensors (magnetometer, barometer) and configurable interfaces (TTL/CAN), it is widely applied to UAVs, automotive electronics, logistics tracking, handheld devices and intelligent robots.
Ultra-high sensitivity, multi-GNSS concurrent tracking, low power consumption, and compact circular design make JS-AD56UB8 an ideal embedded positioning solution.
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Key Features & Benefits
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Professional GNSS Chip Adopts U8 high-performance chip with over 2 million effective correlators for stable computing.
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Abundant Channel Resources 72 search channels and 24 capture channels for fast satellite signal acquisition.
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10Hz High-Speed Update Max navigation update rate up to 10Hz (default 1Hz) for real-time dynamic positioning.
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Ultra-High Sensitivity Tracking sensitivity -167dBm, cold start -148dBm, ensuring stable positioning in weak signal environments.
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Wide Voltage Power Supply 4.5V-12V wide-range input, adapting to diverse vehicle and equipment power systems.
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Multiple Version Options Provides -C/-T/-M/-S variants with different interfaces and sensor combinations.
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Industrial-Grade Reliability -40℃ to 85℃ operating temperature, suitable for harsh outdoor environments.
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Technical Specifications
GNSS Performance
| Receiver Type | Multi-mode multi-GNSS high-sensitivity positioning module |
| Supported Constellations & Bands | GPS L1C/A; BDS B1I; GLONASS L1OF; Galileo E1B/C; SBAS L1C/A; QZSS L1C/A |
| Core Chip | U8 high-performance GNSS chip |
| Correlators | Over 2 million effective correlators |
| Channels | 72 search mode channels, 24 capture channels |
| Sensitivity | Tracking & Navigation: -167dBm; Reacquisition: -160dBm; Cold Start: -148dBm |
| Time to First Fix | Cold Start:26s; Hot Start:1s (all satellites ≥-130dBm) |
| Positioning Accuracy (CEP 50%) | Autonomous:2.5m; SBAS:2.0m (open sky, 24h static, >6SVs) |
| Time Accuracy | 1PPS:30ns RMS |
| Velocity Accuracy | 0.05m/s (50%@30m/s dynamic operation) |
| Operational Limits | Dynamics ≤4g; Altitude 50000m; Velocity ≤500m/s |
| Baud Rate | 9600-460800bps (Default:9600bps) |
| Max Update Rate | 10Hz (Default:1Hz) |
| Supported Protocols | NMEA 0183 V4.0/V4.1 (I/O, ASCII); UBX (I/O, binary proprietary) |
Electrical & Mechanical
| Antenna Type | Passive antenna (Default:φ44×4mm) |
| Power Supply Voltage | 4.5V-12V (Typical:5.0V) |
| Operating Current | Acquisition:66-72mA@5.0V; Tracking:62-68mA@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 | φ56mm×8.9mm ±0.5mm |
| Optional Sensors | Magnetometer(IST8310/VCM5883), Barometer(MS5611), MCU(STM32F103CBT6) |
| Interface Versions | JS-AD56UB8-C(CAN); JS-AD56UB8-T(TTL); JS-AD56UB8-M(TTL+MCU); JS-AD56UB8-S(TTL+Barometer) |
| Compliance | RoHS compliant |
Typical Applications
UAVs
Flight control and positioning navigation
Automotive Applications
Car navigation and vehicle tracking
AVL & Location-Based Services
Automatic vehicle location and management
Marine Navigation & Fleet Management
Ship positioning and maritime dispatch
Handheld GPS Receivers
Portable positioning and surveying devices
Intelligent Logistics Scheduling
Asset tracking and logistics management
Personnel Protection
Field staff safety monitoring and positioning
PDA & Pocket PC
Mobile intelligent terminal positioning
Intelligent Robots
Autonomous navigation and movement control
Resources & Downloads
JS-AD56UB8 Datasheet
Complete specifications, pinout, electrical and mechanical details.
Mechanical Drawing
2D/3D mechanical dimensions and product layout (φ56mm×8.9mm).
User Manual
Quick start guide, integration tips, and configuration protocols.
3D CAD Model
STEP, IGES and STL formats for mechanical integration (φ56mm×8.9mm).
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