JS-ATP28-M
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JS-ATP28-M
Standard Precision Modules
Jumpstar JS-ATP28-M Multi-Mode Dual-Band (L1+L5) GNSS Positioning Module - High Sensitivity, Low Power, Compact Integrated Positioning Solution
Single-Frequency Multi-Constellation
Supports GPS, BDS, GLONASS, Galileo, QZSS and SBAS for global stable signal reception.
Ultra-High Sensitivity
Tracking sensitivity up to -165dBm, cold start acquisition -148dBm for reliable weak-signal positioning.
Active Anti-Interference
Built-in 12 multi-tone active interference cancellers for strong anti-interference performance.
Compact Size
28.0×28.0×7.0mm miniature package, ideal for space-constrained embedded devices.
High-Precision Timing
1PPS time pulse accuracy up to 10ns, meeting professional timing application demands.
Jumpstar JS-ATP28-M
Multi-Mode Dual-Band (L1+L5) GNSS Positioning Module
The JS-ATP28-M is a low-power, cost-effective multi-mode dual-band (L1+L5) GNSS positioning module built on a high-performance SOC positioning engine. It supports concurrent reception of multi-system satellite signals, with indoor/outdoor multipath detection & compensation and professional interference suppression technology to ensure stable positioning in challenging signal environments.
Featuring high sensitivity, fast acquisition and flexible hardware interfaces, it is widely used in automotive electronics, maritime navigation, intelligent robots, wearable devices and emergency rescue scenarios.
Dual-band multi-constellation, tracking sensitivity up to -165dBm, centimeter-level grade precision (1.0m horizontal accuracy), and 10ns high-precision timing make JS-ATP28-M an ideal embedded positioning solution.
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Key Features & Benefits
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High-Performance GNSS SOC Professional dual-band positioning platform delivers stable and efficient operation.
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135 Tracking Channels L1:75 + L5:60 channels (wear mode: L1:42 + L5:30) for fast satellite signal processing.
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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 Fix Cold start time shortened to 24s, hot start only 1s for ultra-fast positioning.
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Multipath & Interference Suppression Indoor/outdoor multipath detection and compensation, tailored for complex electromagnetic environments.
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Wide Voltage & High-Precision Timing 2.8V-5.5V wide-range power supply; 1PPS time pulse accuracy up to 10ns for professional timing applications.
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Industrial-Grade Reliability & Protocols -40℃ to 85℃ operating temperature; supports standard NMEA 0183 V3.01/V4.10 for seamless integration.
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Technical Specifications
GNSS Performance
| Receiver Type | Multi-mode single-frequency GNSS positioning module↩ |
| Supported Constellations & Bands | GPS/QZSS L1C/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 (CEP 50%) | Vertical:3.75m (open sky, 24h static, >6SVs)↩ |
| 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 (25.0×25.0×4.0mm)↩ |
| 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 | 28.0mm × 28.0mm × 7.0mm ±0.3mm↩ |
| Pin Interfaces | GND/PPS, GND, TXD, RXD, VCC, VBAT/EN↩ |
| Compliance | RoHS compliant↩ |
Typical Applications
Automotive Applications
Car navigation and vehicle electronics
Maritime Navigation & Fleet Management
Ship positioning and maritime dispatch
Intelligent Logistics Scheduling
Asset tracking and logistics management
Ground Vehicle Tracking & Urban Intelligent Traffic
Vehicle monitoring and management
Intelligent Robots
Autonomous navigation and movement control
Formation Drones
Group flight positioning and navigation
Personal Travel & Wilderness Exploration
Outdoor positioning and navigation
Emergency Rescue
Real-time positioning for disaster relief
Resources & Downloads
JS-ATP28-2 Datasheet
Complete specifications, pinout, electrical and mechanical details.
Mechanical Drawing
2D/3D mechanical dimensions and product layout (28×28×7mm).
User Manual
Quick start guide, integration tips, and configuration protocols.
3D CAD Model
STEP, IGES and STL formats for mechanical integration (28×28×7mm).
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