Type: Standard Precision GNSS Module
Model: JS-ATP28-2
Params: 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 Vertical:3.75m (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)
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:3138mA@5.0V; Tracking:3035mA@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
Material: Plastic + Metal + Ceramic
Applicable Industry: · 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
