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_.webp "JS-MK39-F")
_.webp "JS-MK39-F")
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The JS-MK39-F is a concurrent multi-GNSS RTK board supporting BDS, GPS/QZSS, GLONASS, and Galileo via a multi-band RF front-end. It processes all visible satellites for RTK positioning with correction data. The MK39-F engine offers high sensitivity, fast acquisition, and robust interference suppression for reliable performance in challenging environments.
Product Features
Build on high performance GNSS SOC
96 search channels and 60 trace channels
Cold start acquisition sensitivity of-147dBm and -163dBm tracking sensitivity
Up to 10Hz update rate
Supports BDS, GPS/QZSS,GLONASS,Galileo
Support the Beidou-3 satellite
Integrated TCXO,LNA,SAW,RTC
Configurable peripheral 10 pins
It is characterized by high sensitivity,anti-interference and high performance
Low power consumption and it has intelligent power control mechanism
Single supply with wide voltage range
Compact size(25.0*39.4*11.6mm±0.3mm) suitable for space-sensitive application
Support NMEA 0183(compatible with Beidou)、RTCM3.X and user-defined
Performance
| Parameter | Specification |
| Receiver type | GPS/QZSS L1 L2 GLONASS G1 G2 Galileo E1B/C E5b BDS B1C B1I B2I (including the Beidou-3 satellite) |
| Sensitivity | Tracking: -163dBm |
| Reacquisition: -147dBm | |
| Time-To-First-Fix | Cold Start: ≤35 s |
| Hot Start: 1s | |
| Autonomous: 2.0 m | |
| Position accuracy | DGNSS: 0.5m |
| RTK: 2cm +1ppm (Horizontal) | |
| Accuracy of time pulse signal | 1PPS: 20ns |
| Velocity accuracy | 0.05 m/s |
| Operational limits | Dynamics: ≤ 4 g |
| Altitude: ≤ 18000 m | |
| Velocity: ≤ 515 m/s | |
| Baud Rate | 9600–921600 bps (Default 115200 bps) |
| Max navigation update rate | 10 Hz (Default 1Hz) |
Pin Parameters
| No. | Name | I/O | Description |
| 1 | GND | G | Ground |
| 2 | TX2 | O | NC |
| 3 | RX2 | I | Serial Port (dedicated for RTCM3 corrections and NMEA) |
| 4 | VCC | P | Main Supply |
| 5 | GND | G | Ground |
| 6 | TX1 | O | GPS TX Test |
| 7 | RX1 | I | GPS RX Test |
| 8 | VCC | P | Main Supply |
Product Application
UAV
Measurement of surveying and mapping
Automotive application
Personnel protective
Precision agriculture
Driving test
AVL and Location-Based Services
Ideal for PDA
Marine Navigation,Fleet Management
Car navigation and tracking
Handheld GPS receiver application
Geographic Surveying
Intelligent logistics scheduling
Intelligent robot
Protocols
| Protocol | Type |
| NMEA 0183 | Input/output, ASCII |
| RTCM 3.X | Input/output, binary |
| JMS | Custom |
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