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_.webp "JS-AP08-PR")
_.webp "JS-AP08-PR")
_.webp "JS-AP08-PR")
_.webp "JS-AP08-PR")
_.webp "JS-AP08-PR")
_.webp "JS-AP08-PR")
The JS-AP08-PR is a high-performance GNSS positioning module, featuring a compact design, low power consumption, and strong endurance. It integrates RF front-end and baseband processing in a single chip, supporting simultaneous reception of GPS/QZSS (L1C/A) and BDS (B1I, B1C) signals. With its built-in search engine, it enables fast positioning even in dense urban environments. Ideal for wearable devices, vehicle management, in-car navigation, and portable positioning applications.
Product Features
High-Performance SOC Series
Intelligent interference detection and suppression of interference sources
Incorporates ARM Cortex-M4F processor
Concurrent support for three satellite constellation signals: GPS/QZSS (L1C/A), BDS (B1I, B1C)
Advanced low-power design
Intelligent power management
Wide voltage range
Features 88 tracking channels and a dedicated search engine
Compact dimensions (8mm × 6mm × 2.3mm ±0.1mm), lightweight (<1g)
Supports standard NMEA 0183 protocol version V4.10
Performance Indicators
| Category | Parameters |
| Constellation Points | GPS/QZSS : L1C/ BDS : B1I B1C |
| Sensitivity | Tracking & Navigation: -161 dBm |
| Reacquisition: -158 dBm | |
| Cold Start: -148 dBm | |
| Hot Start: -156 dBm | |
| Time To First Fix | Cold Start: 29 s |
| Hot Start: 1 s | |
| Positioning Accuracy | GNSS: 2.5 m CEP |
| Speed & Time Accuracy | 1PPS: 20 ns |
| GNSS: 0.1 m/s CEP | |
| Operating Limits | Altitude: 18000 m |
| Velocity: 515 m/s | |
| Baud Rate | 9600 bps |
| Max Data Update Rate | Default 1 Hz, max configurable to 5 Hz |
Pin Definition
| Seq. | Pin Name | Input/Output | Description |
| 1 | RF-IN | Input | RF Signal Input |
| 2 | GND | - | Ground |
| 3 | GPS_RX | Input | GPS Signal Input |
| 4 | GPS_TX | Output | GPS Signal Output |
| 5 | V_BACKP¹ | Input | Backup Power, Non-Independent Power Supply Channel |
| 6 | 32K_IN | Input | Externally Supplied 32 kHz Clock Frequency Input |
| 7 | GND | - | Ground |
| 8 | VCC | Input | Main Power |
Application
Smart wearable devices
Portable positioning devices
In-vehicle navigation
Vehicle management
Trackers
Personnel positioning
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