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JS-AUP25FG-1 is a low-power, cost-efficient GNSS antenna module supporting GPS, GLONASS, Galileo, and BeiDou on L1. It delivers high sensitivity, fast acquisition, strong anti-jamming and spoofing detection, and reliable positioning in urban, NLOS, and small-antenna environments.
Features
Build on high-performance GNSS Chips
Over 2 million effective correlators
72 acquisition-channel / 32tracking
Cold start acquisition sensitivity of -148dBm and -167dBm tradking sensitivity
Up to 10Hz navigation update rate
Supports BDS,GPS, QZSS, SBAS,GLONASS,Galileo
Supports AGPS
Integrated TCXO, LNA, SAW,RTC
Optional magnetic compass
Compact size(25.0mm x25.0mmx10.4mm±0.3mm) suitable for space-sensitive application
Performance metrics
| Parameter | Specification |
| Constellation Frequency | GPS/QZSS L1C/A GLONASS L1OF BDS B1I B1C Galileo E1B/C SBAS EGNOS, GAGAN, MSAS, WAAS |
| Time To First Positioning | Cold Start: 27 s |
| Hot Start: 1 s | |
| Horizontal Position accuracy | 1.5 m CEP |
| Time pulse signal accuracy | RMS: 30 ns |
| 99%: 60 ns | |
| Velocity accuracy | 0.05 m/s |
| Operational limits | Acceleration: ≤ 4 g |
| Altitude: 80000 m | |
| Velocity: 500 m/s | |
| Signal frequency of time pulse | 1Hz |
| Baud Rate | 9600 -- 460800 bps (Default 38400 bps) |
| Max navigation update rate | 10 Hz (Default 1Hz, configurable) |
Application scenarios
Drones
Vehicle positioning and navigation
Personnel positioning
Intelligent robots
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