JS-ATP28-2
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JS-ATP28-2
Standard Precision Modules
Jumpstar JS-ATP28-2 Multi-Mode Single-Frequency GNSS Positioning Module - Compact, Low Power, High Sensitivity 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-ATP28-2
Multi-Mode Single-Frequency GNSS Positioning Module
The JS-ATP28-2 is a low-power, cost-effective multi-mode single-frequency GNSS positioning module built on a high-performance SOC positioning engine. It integrates 12 multi-tone active interference cancellers, 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 stable performance, it is widely used in automotive electronics, maritime navigation, intelligent logistics, intelligent robots, formation drones and emergency rescue scenarios.
Single-frequency multi-constellation, ultra-high sensitivity, 10ns timing accuracy, and 12-tone active anti-interference make JS-ATP28-2 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 Anti-Interference & Multipath Suppression Built-in 12 multi-tone active interference cancellers; indoor/outdoor multipath detection and compensation.
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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 timing applications.
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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/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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