The JS-A56M6D is a high-performance concurrent GNSS receiver designed to deliver precise and reliable positioning. With its advanced multi-band RF front-end, it can simultaneously track major constellations including GPS/QZSS, GLONASS, and BDS. When combined with correction data, it processes all visible satellites to provide centimeter-level RTK navigation. Powered by the JS-A56M6D engine, it offers outstanding sensitivity, fast acquisition, and strong interference suppression, ensuring dependable performance even in challenging environments.
Product Features
Build on high performance GNSS single chip M6D
96 search channels and 60 trace channels
Cold start acquisition sensitivity of -147dBm and -163dBm tracking sensitivity
Up to 10Hz、default 1Hz navigation update rate
Supports GPS/QZSS, BDS, GLONASS
Integrated TCXO,LNA,SAW,RTC
Configurable peripheral IO pins
Integrated high gain antenna
Low power consumption and It has intelligent power control mechanism
Support DGNSS, RTK centimeter level positioning accuracy
Single supply with wide voltage range
MSM7 input is supported
Compact size (56.0*56.0*17.7mm±0.5mm) suitable for space-sensitive application
Rich hardware interface to support multiple configurations. UART, I2C,RS232
Geomagnetic sensors (default: VCM5883. Supportability: IST8310)
Support standard NMEA 0183 V4.0/V4.1,RTCM3.x
Performance
| Parameter | Specification | |
| Receiver type | GPS/QZSS L1 L2 GLONASS G1 G2 BDS B1I B2I ( Including the Beidou - 3 satellite ) | |
| Sensitivity | Tracking | -163 dBm |
| Reacquisition | -147 dBm | |
| Time-To-First-Fix | Cold Start | ≤ 35 s |
| Cold Start（AGNSS） | ≤ 3 s | |
| Hot Start | 1 s | |
| Position accuracy | Autonomous | 2.0 m CEP |
| DGNSS | 0.5 m CEP | |
| RTK | 2 cm+1 ppm ( Horizontal ) | |
| Accuracy of time pulse signal | RMS | 25 ns |
| Velocity accuracy | GNSS | 0.1 m/s CEP |
| D-GNSS | 0.05 m/s | |
| Operational limits | Dynamics | ≤ 4 g |
| Altitude | 18000 m | |
| Velocity | 515 m/s | |
| Baud Rate | 115200 - 460800（Default 115200 bps） | |
| Max navigation update rate | 10 Hz (If you need additional navigation update rates, please contact us) | |
Pin Parameters
| PIN | Name | I/O | Description | |
| A | 1 | RX2 | I | UART 2: dedicated for RTCM3 corrections |
| B | 2 | TX2 | O | -- |
| C | 3 | GND | G | Ground |
| D | 4 | NC | O | Geofence status, user defined |
| E | -- | RX | I | GPS RX Test |
| F | -- | TX | O | GPS TX Test |
| G | 5 | SCL | I/O | I2C Clock（keep open if not used） |
| H | 6 | RX/P | I | Serial Port(UART 1) |
| I | 7 | TX/M | O | Serial Port(UART 1) |
| J | 8 | GND | G | Ground |
| K | 9 | VCC | P | Main Supply |
| L | 10 | SDA | I/O | I2C Data（keep open if not used） |
Product Application
Precision agriculture agricultural machinery unmanned
UAV
Automotive application
Driverless intelligent transportation vehicles
Precision agriculture
AVL and Location-Based Services
Marine Navigation, Fleet Management
Handheld GPS receiver application
Intelligent logistics scheduling
Measurement of surveying and mapping
Personnel protective
Driving test
Ideal for PDA
Car navigation and tracking
Geographic Surveying
Intelligent robot
Protocols
| Protocol | Type |
| NMEA 0183 v4.0/v4.1 | Input/output, ASCII |
| RTCM 3X | Input/output, binary |
| JMS | Input/output, binary, JMS proprietary |
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