JS-ATP18-2
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JS-ATP18-2
Standard Precision Modules
Jumpstar JS-ATP18-2 Multi-Mode Single-Frequency GNSS Positioning Module - Ultra-Compact, Low Power, High-Sensitivity Integrated Positioning Solution
Single-Frequency Multi-Constellation
Supports GPS, BDS, GLONASS, Galileo, QZSS, SBAS for global stable signal reception.
Ultra-High Sensitivity
Tracking sensitivity up to -165dBm, cold start acquisition -148dBm for reliable weak-signal positioning.
Ultra-Compact Size
18.0×18.0×6.7mm miniature package, ideal for space-constrained embedded devices.
High-Precision Timing
1PPS time pulse accuracy up to 10ns, meeting professional timing application demands.
Rich Command Configuration
Supports NMEA protocol customization, baud rate adjustment, working mode switching.
Jumpstar JS-ATP18-2
Multi-Mode Single-Frequency GNSS Positioning Module
The JS-ATP18-2 is a low-power, cost-effective multi-mode single-frequency GNSS positioning module built on a high-performance SOC positioning engine. It integrates a 12-tone active interference canceller, TCXO, LNA, SAW and RTC, with indoor/outdoor multipath detection & compensation technology to ensure reliable positioning in complex signal environments.
Featuring ultra-compact size, high sensitivity and flexible command configuration, it is widely used in automotive electronics, maritime navigation, intelligent robots, formation drones, emergency rescue and handheld terminals.
Single-frequency multi-constellation, ultra-high sensitivity, 10ns timing accuracy, and rich command options make JS-ATP18-2 an ideal embedded positioning solution.
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Key Features & Benefits
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High-Performance SOC Platform Professional positioning engine delivers stable and efficient operation.
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47 Tracking Channels Optimized channel design for fast satellite acquisition and continuous tracking.
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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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AGPS Supported & Fast Startup Cold start time shortened to 24s, hot start only 1s for ultra-fast positioning.
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Active Interference Cancellation & High-Precision 1PPS Built-in 12-tone active interference canceller; time pulse accuracy up to 10ns.
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Wide Voltage & Rich Command Configuration 2.8V-5.5V wide-range power supply; supports NMEA customization, baud rate & mode switching.
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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 single-frequency GNSS positioning module |
| Supported Constellations & Bands | GPS/QZSS L1C/A; BDS B1I/B1C; GLONASS L1; Galileo E1; SBAS(WAAS/EGNOS/MSAS/GAGAN) |
| Tracking Channels | 47 channels |
| Sensitivity | Tracking & Navigation: -165dBm; Cold Start Acquisition: -148dBm |
| Time to First Fix | Cold Start:24s; Hot Start:1s (all satellites ≥-130dBm) |
| Positioning Accuracy | Horizontal:1.5m; Vertical:2.25m (open sky, 24h static, >6SVs, CEP 50%) |
| Time Accuracy | 1PPS:10ns |
| Velocity Accuracy | GNSS:0.1m/s; SBAS:0.05m/s (50%@30m/s dynamic operation) |
| Operational Limits | Acceleration ≤4g; Altitude ≤10000m; Velocity ≤100m/s |
| Baud Rate | 4800-921600bps (Default:115200bps) |
| Max Update Rate | 10Hz (Default:1Hz) |
| Supported Protocols | NMEA 0183 V3.01/V4.10 (Input/Output, ASCII) |
Electrical & Mechanical
| Antenna Type | Built-in passive antenna (18.0×18.0×4.0mm) |
| Power Supply Voltage | VCC:2.8V~5.5V (Typical:5.0V) |
| Operating Current | Acquisition:31~38mA@5.0V; Tracking:30~35mA@5.0V; Backup:11uA@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 | 18.0mm × 18.0mm × 6.7mm ±0.3mm |
| Pin Interfaces | PPS, RXD, TXD, GND, VCC, EN (Module Power Control) |
| Compliance | RoHS compliant |
Typical Applications
Automotive Applications
Car navigation and vehicle tracking
Maritime Navigation & Fleet Management
Ship positioning and maritime dispatch
Intelligent Logistics Scheduling
Asset tracking and logistics management
Intelligent Robots
Autonomous navigation and movement control
Handheld Terminals
Portable high-sensitivity positioning devices
Formation Drones
Group flight positioning and navigation
Emergency Rescue
Real-time positioning for disaster relief
Vehicle Electronics
Onboard positioning and auxiliary systems
Resources & Downloads
JS-ATP18-2 Datasheet
Complete specifications, pinout, electrical and mechanical details.
Mechanical Drawing
2D/3D mechanical dimensions and product layout (18×18×6.7mm).
User Manual
Quick start guide, integration tips, and configuration protocols.
3D CAD Model
STEP, IGES and STL formats for mechanical integration (18×18×6.7mm).
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