The JS-ATP30-2 is a cost-effective, low-power, multi-mode single-frequency positioning module supporting GPS, BDS, GLONASS, Galileo, QZSS, and SBAS. Designed to meet the diverse needs of applications and terminal products, it is built on a high-performance SoC positioning engine that ensures excellent sensitivity, fast acquisition, and strong interference suppression. Even in challenging environments, the JS-ATP30-2 delivers reliable and accurate positioning performance.
Product Features
Based on high-performance GNSS SOC series
47 tracking channels
Cold start acquisition sensitivity is -148dBm, tracking sensitivity is -165dBm
Navigation update rate up to 10Hz
Can support GPS, BDS, GLONASS, Galileo, QZSS and SBAS simultaneously
Support AGPS
Indoor and outdoor multipath detection and compensation
Integrated 12 multi-tone active interference cancellers
Integrated TCXO, LNA, SAW and RTC
Compact size (30.0mm x 30.0mm x 8.5mm±0.3mm) for space-sensitive applications
Support standard NMEA 0183 V3.01/V4.10
Support 1PPS output
Performance
| Parameter | Specification |
| Constellation Frequency | GPS/QZSS L1C L1C/A GLONASS L1 BDS B1I B1C Galileo E1 SBAS WAAS/EGNOS/MSAS/GAGAN |
| Sensitivity | Tracking and Navigation -165dBm |
| Cold Start -148dBm | |
| Time-To-First-Fix | Cold Start 24s |
| Hot Start 1s | |
| GNSS Position accuracy | horizontal 2m |
| vertical 3.75m | |
| Time pulse signal accuracy | 1PPS 10ns |
| Speed accuracy | GNSS 0.1m/s |
| SBAS 0.05m/s | |
| Operational restrictions | Acceleration 4g |
| Altitude 10000m | |
| speed limit 100m/s | |
| Frequency of time pulse signal | 1Hz |
| Baud Rate | 4800-921600 bps（Default115200 bps） |
| Max navigation update rate | 10 Hz （Default 1Hz） |
Pin Parameters
| PIN | Name | I/O | Description |
| 1 | RXD/DP | I | TTL input/D+ |
| 2 | TXD/DM | O | TTL output/D- |
| 3 | GND | G | GND |
| 4 | VCC | P | main power |
| 5 | 1PPS | O | Time pulse signal output |
| 6 | EN | I | Module power control switch |
Product Application
Automotive applications
Maritime navigation, fleet management
Intelligent logistics dispatching
Ground vehicle tracking and urban intelligent traffic management
Intelligent robots
Wearable devices
Personal travel and wilderness adventures
Emergency rescue
Protocols
| Protocol | Type |
| NMEA 0183 V3.01/V4.10 | Input/Output，ASCII |
Related Products
