JS-UK43
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JS-UK43
High Precision Antennas / Choke Ring Antennas
Jumpstar JS-UK43 Multi-Band Multi-Mode GNSS RTK Positioning Module - High Sensitivity, Low Power Consumption, Integrated Antenna All-In-One Positioning Solution
Full-Constellation Concurrent Reception
Supports GPS, BDS, GLONASS, Galileo, QZSS, SBAS synchronous tracking for global coverage.
Ultra-High Sensitivity
Tracking sensitivity up to -167dBm, stable positioning in weak-signal and complex environments.
Massive Channel Configuration
192 search channels + 60 tracking channels, fast satellite capture and efficient signal processing.
Centimeter-Level RTK
Horizontal positioning accuracy 2cm+1ppm, meets high-precision application requirements.
Integrated Compact Design
Built-in high-gain antenna + TCXO/LNA/SAW/RTC, simplifies peripheral deployment.
Multi-Band Multi-Mode GNSS RTK Positioning Module
JS-UK43 is a multi-band concurrent GNSS receiver module based on the high-performance U9D positioning engine. It adopts a multi-band RF front-end architecture to realize synchronous reception of GPS, BDS, GLONASS, Galileo and other global navigation systems, and supports RTK differential navigation solution with correction data.
Equipped with professional interference suppression technology and ultra-high sensitivity design, it maintains stable positioning in complex signal environments. The module integrates a high-gain antenna, TCXO, LNA, SAW and RTC, features intelligent power control and wide-voltage power supply.
It is widely used in handheld terminals, drones, agricultural automation, intelligent robots and vehicle management scenarios.
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Key Features & Benefits
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High-Performance U9D Core Built-in U9D professional GNSS engine, strong signal processing and computing capability.
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192+60 Channel Architecture 192 search + 60 tracking channels for fast satellite capture and stable lock.
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Ultra-High Sensitivity Tracking -167dBm, cold start acquisition -148dBm, adapts to weak-signal areas.
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RTK Centimeter Accuracy Horizontal accuracy 2cm+1ppm, meets high-precision application demands.
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20Hz High-Speed Update RTK(GPS) up to 20Hz, full GNSS up to 7Hz for high-dynamic control.
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All-In-One Integration Built-in TCXO/LNA/SAW/RTC, reduces peripheral circuit complexity.
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Rich Protocol Support NMEA, RTCM 3.X, UBX proprietary protocols, flexible system docking.
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Wide Voltage & Low Power 3.3~5.5V input, tracking current 110~130mA@5V, intelligent power control.
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Technical Specifications
GNSS Performance
| Receiver Type | Multi-band multi-mode GNSS RTK positioning module |
| Supported Constellations & Signals | GPS/QZSS/SBAS: L1C/A, L2C; GLONASS: L1OF, L2OF; BDS: B1I, B2I; Galileo: E1, E5b |
| Channel Configuration | 192 search channels; 60 tracking channels |
| Sensitivity | Tracking: -167dBm; Reacquisition: -148dBm |
| Time to First Fix | Cold Start: 25s; Warm Start: 20s; Hot Start: 2s |
| Positioning Accuracy | PVT: 1.5m CEP; SBAS: 1.0m CEP; RTK: 2cm+1ppm (H) |
| Time & Speed Accuracy | 1PPS(RMS): 30ns; Velocity: 0.05m/s |
| Operational Limits | Dynamics ≤4g; Altitude ≤80000m; Velocity ≤500m/s |
| Max Update Rate | RTK(GPS): 20Hz; Full GNSS: 7Hz |
| Antenna | Passive antenna; Default: φ35mm×25mm |
Interfaces & Power
| Baud Rate | 9600~921600bps (Default: 38400bps) |
| Supported Protocols | NMEA 4.11/4.10/4.0/2.3/2.1; RTCM 3.3; UBX (proprietary) |
| Interfaces | 8-pin: GND, TX2, RX2/PPS, SDA, SCL, TX1, RX1, VCC; 2×UART, I2C |
| Power Supply | 3.3~5.5V (Typical: 5.0V) |
| Operating Current | Acquisition: 110~140mA@5V; Tracking: 110~130mA@5V |
| Backup Power | 0.07F |
| Operating Temperature | -40℃ ~ +85℃ |
| Storage Temperature | -40℃ ~ +85℃ |
| Humidity | 95% |
| Mechanical Dimensions | Bottom: 47.2mm; Head: 42.3mm; Height: 36.8mm±0.5mm |
| Compliance | RoHS compliant |
Typical Applications
Handheld Terminals
Handheld high-precision positioning terminals
UAV & Drone
UAV navigation & control systems
Precision Agriculture
Agricultural automation & precision farming
Intelligent Robots
Unmanned equipment & intelligent robots
Vehicle Management
Fleet monitoring & vehicle management
Assisted Driving
Automotive electronics & assisted driving
Smart City & Traffic
Intelligent transportation & smart city
Industrial Detection
Intelligent safety testing & industrial detection
Resources & Downloads
JS-UK43 Datasheet
Complete specifications, electrical parameters, sensitivity and dimensions
Protocol Documentation
NMEA, RTCM 3.X, UBX protocol definitions
User Manual
Quick start guide, wiring diagrams, low-power optimization
3D CAD Model
STEP, IGES and STL formats for mechanical integration (47.2×42.3×36.8mm)
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