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_.webp "JS-CK39-A")
_.webp "JS-CK39-A")
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_.webp "JS-CK39-A")
_.webp "JS-CK39-A")
JS-CK39-A is a multi-band GNSS/INS navigation board supporting concurrent BDS-2, BDS-3, GPS, GLONASS, Galileo, QZSS, and SBAS tracking. With RTK correction support and an integrated inertial navigation unit, it enables precise positioning and robust integrated navigation, well suited for autonomous driving, UAVs, and intelligent robotics.
Product Features
Build on high performance GNSS C8A
Support integrated navigation algorithm
Multiple GNSS system multi-frequency points, support Beidou-3
Built-in antenna short circuit protection, open circuit detection
Supports GPS,BDS, GLONASS, Galileo and QZSS,SBAS
Provides suppression of potential narrowband and monophonic radio interference signals in the GNSS signal band
Compact size (25.0*39.4*11.6mm±0.3mm) suitable for space-sensitive application
Performance
| Parameters | Specification | |
| Receiver Signals | GPS: L1C/A, L2P, L2C BDS-2: B1I, B2I BDS-3: B1C, B2b GLONASS: G1, G2 Galileo: E1, E5b QZSS: L1C/A, L2C SBAS: L1C/A | |
| Sensitivity | Tracking | -155 dBm |
| Reacquisition | -138 dBm | |
| Time-To-First-Fix | Cold Start | < 20 s ( Adding Acceleration Capture Module ) |
| Hot Start | < 10 s ( Typical ) | |
| RTK convergence time | < 5 s ( Typical ) | |
| Lost lock recapture | < 1 s | |
| Measurement Precision | Pseudorange Precision | ≤ 10 cm |
| Carrier Phase Precision | ≤ 1 mm | |
| Speed Accuracy | ≤ 0.02 m/s | |
| Time Accuracy | 20 ns | |
| Gyroscope | Range | |
| Total zero deviation | 0.5 °/s | |
| Acceleration of speed | Range | 4 g |
| Total zero deviation | 20 mg | |
| Inertial Navigation | While the GNSS antenna signal is losing lock for 3 seconds, the accuracy maintains at centimeter level. While the GNSS antenna signal is losing lock for 10 seconds, the accuracy maintains at meter level. | |
| Data Rates | Measurements & Position | 100 Hz ( Optional ) |
| RTK: Positioning | 20 Hz（ Optional ） | |
Pin Parameters
| Pin Number | Name | I/O | Description |
| 1 | GND | G | Ground |
| 2 | TX2 | O | UART2 Data output |
| 3 | RX2 | I | UART2 Data input |
| 4 | VCC | P | Main Supply |
| 5 | GND | G | Ground |
| 6 | TX1 | O | UART1 Data output |
| 7 | RX1 | I | UART1 Data input |
| 8 | VCC | P | Main Supply |
Product Application
UAV
Automotive application
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
Car navigation and tracking
Geographic Surveying
Intelligent robot
Protocols
| Parameter | Protocol |
| Protocol / Format | Supported Messages / Types |
| NMEA 0183 | GPGGA, GPGSV, GPGLL, GPGSA, GPGST, GPHDT, GPRMC, GPVTG, GPZDA |
| (CNB) Binary Format | Custom binary |
| CMR (GPS) | CMRQBS, SMRREF |
| RTCM 2.X | RTCM1, RTCM3, RTCM9, RTCM1819, RTCM31, RTCM41, RTCM42 |
| RTCM 3.X | 1004~1008, 1012, 1019, 1020, 1033, 1042, 1045/1046, 1230, 4078 MSM3~MSM7:1073~1077, 1083~1087, 1123~1127, 1093~1097 |
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