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The JS-UP26-1 module delivers superior sensitivity and acquisition time for all L1 GNSS signals. With integrated LNA and SAW filter, it enhances dynamic position accuracy in small antennas or non-line-of-sight scenarios. Supporting GPS, GLONASS, Galileo, and Beidou, it provides reliable positioning in challenging environments like urban canyons. The low power consumption ensures long battery life without compromising performance.
Product Features
SOC high performance GNSS Chips
Cold start acquisition sensitivity of -148dBm and -166dBm tracking sensitivity
Up to 10 Hz navigation update rate, single constellation up to 18Hz
Supports BDS,GPS, QZSS, SBAS,GLONASS ,Galileo
Supports A-GNSS
Integrated TCXO, LNA, SAW, RTC
Compact size (16.0mm x 12.2mm x 2.4mm±0.3mm ) suitable for space-sensitive application
Support standard NMEA 0183, UBX
Performance
| Parameter | Specification |
| Receiver type | GPS/QZSS: L1C/A |
| SBAS: EGNOS, GAGAN, MSAS and WAAS | |
| GLONASS: L1OF | |
| BDS: B1I, B1C | |
| Galileo: E1 B/C | |
| Sensitivity | Tracking & Navigation: -166 dBm |
| Reacquisition: -160 dBm | |
| Hot Start: -160 dBm | |
| Cold Start: -148 dBm | |
| Time-To-First-Fix | Cold Start: 29 s |
| Hot Start: 1 s | |
| Horizontal Position accuracy | Autonomous: 2.0 m CEP |
| SBAS: 1.5 m CEP | |
| Accuracy of time pulse signal | RMS: 30 ns |
| 99%: 60 ns | |
| Velocity accuracy | 0.05 m/s |
| Dynamic heading accuracy | 0.3 deg |
| Operational limits | Dynamics: ≤ 4 g |
| Altitude: 80000 m | |
| Velocity: 500 m/s | |
| Frequency of time pulse signal | Default 1PPS (0.25 Hz to 10 MHz configurable) |
| Baud Rate | 9,600 – 921,600 bps (Default 38,400 bps) |
| Max navigation update rate | 10 Hz (Default 1 Hz) |
Pin Parameters
| No. | Name | I/O | Description |
| 1 | BOOT_N | I | Internal event interrupts the pin (keep open if not used) |
| 2,5,6,7,14,15,16,17,18,19 | RESERVED | - | -- |
| 3 | TIMEPULSE | O | Time Pulse (keep open if not used) |
| 4 | EXTINT | I | External Interrupt (keep open if not used) |
| 8 | RESET_N | I | System reset (active low). Has to be low for at least 1 ms to trigger a reset (keep open if not used) |
| 9 | VCC_RF | O | Output voltage RF section |
| 10,12,13,24 | GND | - | Ground |
| 11 | RF_IN | I | GNSS Signal Input |
| 20 | TXD | O | TTL output (keep open if not used) |
| 21 | RXD | I | TTL input (keep open if not used) |
| 22 | VBAT | I | Backup voltage supply |
| 23 | VCC | I | Main voltage supply |
Product Application
UAV
Automotive application
AVL and Location-Based services
Marine navigation, fleet management
Handheld GPS receiver application
Intelligent logistics scheduling
Personnel protective
Ideal for PDA, pocket PC
Car navigation and tracking
Intelligent robot
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