JS-CK43-2
.png?imageMogr2/format/webp)
JS-CK43-2
High Precision Antennas / Choke Ring Antennas
Jumpstar JS-CK43-2 Multi-Band Multi-Mode High-Precision RTK Positioning Module - Integrated INS, All-In-One Antenna, 50Hz High-Speed Update Positioning Solution
Multi-Band Full-Constellation
Supports BDS-2/3, GPS, GLONASS, Galileo, QZSS, IRNSS full-system multi-frequency signal tracking.
Centimeter-Level RTK
Horizontal accuracy 0.8cm+1ppm, vertical 1.5cm+1ppm, meets ultra-high-precision positioning demands.
Built-In INS Integrated Navigation
Onboard gyroscope and accelerometer, combined navigation algorithm for continuous positioning without signals.
50Hz Ultra-High Update
RTK/positioning data up to 50Hz output, IMU 100Hz for high-dynamic control.
Integrated High-Gain Antenna
Built-in active antenna, simplifies design and quick deployment for integrated applications.
Jumpstar JS-CK43-2
Multi-Band Multi-Mode High-Precision RTK Positioning Module
JS-CK43-2 is a multi-constellation, multi-frequency high-precision RTK positioning module based on a new-generation GNSS SoC high-performance engine with dedicated RF baseband and high-precision algorithms.
It integrates inertial navigation devices, high-speed floating-point processor and RTK coprocessor, supports super multi-channel signal processing and multi-frequency anti-interference technology.
With instant RTK initialization and integrated high-gain antenna, it achieves reliable high-precision positioning in complex environments, widely used in drones, surveying, precision agriculture, robots and smart transportation scenarios.
.png?imageMogr2/format/webp)
Key Features & Benefits
-
High-Performance GNSS Chip Adopts professional C9B positioning chip, strong computing and signal processing capability.
-
Ultra-High Update Rate RTK/positioning up to 50Hz, IMU 100Hz, adapts to high-dynamic equipment control.
-
INS/GNSS Combined Navigation Built-in inertial sensor, auxiliary dead reckoning error 3%×distance, continuous positioning when satellite lost.
-
Instant RTK Initialization <5s quick initialization (baseline <10km), fast fixed solution for high efficiency.
-
Strong Anti-Interference Suppresses narrowband/single-tone interference, interference-signal ratio up to 60dB.
-
Integrated Antenna Design Built-in φ35mm high-gain active antenna, reduces peripheral circuit complexity.
-
Rich Protocol Support Compatible with NMEA 0183, RTCM2.X/3.X, CMR, private binary CNB protocol.
-
Compact Integrated Size 48.0×43.2×37.0mm, suitable for space-constrained integrated products.
-
Industrial-Grade Reliability -40℃~85℃ operating temperature, stable in harsh outdoor environments.
.png?imageMogr2/format/webp)
Technical Specifications
GNSS Performance
| Receiver Type | Multi-band multi-mode RTK+INS integrated positioning module |
| Supported Signals | GPS:L1C/A,L1C,L2P,L2C,L5 BDS-2/3:B1I,B1C,B2a,B2b,B3I GLONASS:G1,G2,G3 Galileo:E1,E5a,E5b,E6 QZSS:L1C/A,L2C,L5,L1C IRNSS:L5; SBAS:L1C/A,L5 |
| Sensitivity | Tracking: -155dBm; Acquisition: -140dBm |
| Time to First Fix | Cold Start: 20s; Warm Start: 10s; Loss Reacquisition: 1s |
| Positioning Accuracy | Single-point: H 1.5m, V 3m (1σ,PDOP≤4) RTK(RMS): H 0.8cm+1ppm, V 1.5cm+1ppm |
| Measurement Accuracy | Pseudorange: ≤10cm; Carrier phase: ≤1mm |
| Timing & Speed Accuracy | PPS(RMS): 20ns; Velocity: ≤0.02m/s |
| Inertial Parameters | Gyro: ±125°/s, zero bias 0.5°/s Acceleration: ±2g, zero bias 20mg Dead reckoning error: 3%×distance |
| RTK Initialization | <5s (baseline length <10km) |
| PPP Performance | Initialization: 20min; Accuracy: H 0.1m, V 0.2m |
| Max Update Rate | Positioning/RTK: 50Hz; IMU: 100Hz |
Interfaces & Power
| Baud Rate | 115200~921600bps (Default: 115200bps) |
| Supported Protocols | NMEA 0183; CNB(private binary); CMR; RTCM2.X/3.X(MSM3~MSM7) |
| Antenna | Integrated active antenna; φ35mm×25mm |
| Interfaces | 2×UART, I2C, PPS, VCC, GND |
| Power Supply | 4.8~5.5V (Typical: 5.0V) |
| Operating Current | Acquisition: 185mA@5V Tracking: 175mA@5V |
| Operating Temperature | -40℃ ~ +85℃ |
| Humidity | 95% |
| Mechanical Dimensions | 48.0mm × 43.2mm × 37.0mm ±0.5mm |
| Compliance | RoHS compliant |
Typical Applications
UAV & Drone Navigation
High-precision positioning for drones, UAVs and autonomous flying robots
Surveying & Mapping
Geodetic surveys, cadastral mapping, construction stakeout, and BIM applications
Autonomous Driving
ADAS, lane-level navigation, and autonomous driving systems for automotive applications
Intelligent Robots
AMRs, automated guided vehicles, and service robots requiring reliable positioning
Precision Agriculture
Automated tractor guidance, precision planting, and intelligent agricultural navigation
Maritime Navigation
Autopilot systems, vessel tracking, port management, and marine navigation
Smart Port & Logistics
Warehouse robots, forklift automation, port logistics, and supply chain tracking
Smart Transportation
High-precision positioning terminals, vehicle networking, and intelligent transportation
Resources & Downloads
JS-CK43-2 Datasheet
Complete specifications, electrical parameters, pin definitions, and mechanical dimensions
Protocol Documentation
NMEA 0183, RTCM2.X/3.X, CMR, CNB private binary protocol definitions
User Manual
Quick start guide, wiring diagrams, configuration tutorials, and troubleshooting
3D CAD Model
STEP, IGES, and STL formats for mechanical integration and design validation
Frequently Bought Together
.png?imageMogr2/format/webp)
JS-UK43
Jumpstar JS-UK43 Multi-Band Multi-Mode GNSS RTK Positioning Module - High Sensitivity, Low Power Consumption, Integrated Antenna All-In-One Positioning Solution
.png?imageMogr2/format/webp)
JS-SK43H-AH
Jumpstar JS-SK43H-AH Multi-Band High-Precision RTK Positioning & Heading Smart Antenna Module - 789 Channels, Anti-Interference/Anti-Spoofing, Ultra-Short Baseline Heading Solution
.png?imageMogr2/format/webp)
JS-RK43-3
Jumpstar JS-RK43-3 Dual-Band L1+L5 GNSS High-Precision Positioning Module - Low Power, Integrated Antenna, UAV-Dedicated Centimeter-Level RTK Solution