JS-BNK43H-2
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JS-BNK43H-2
RTK Positioning Boards
Jumpstar JS-BNK43H-2 Multi-Constellation Multi-Frequency RTK GNSS Module – Dual-Antenna Heading, 1408 Super Channels, Base/Rover Dual-Mode, Miniature High-Precision Positioning Solution
1408 Super Channels
2GHz dual-core CPU, ultra-strong satellite signal processing capacity.
Dual-Antenna High-Precision Heading
0.2°@1m baseline heading accuracy.
Dual-RTK Engine
Instant initialization <5s, reliability >99.9%.
Base/Rover Dual-Mode
Flexible use as base station or rover station.
Full-System Multi-Frequency
BDS/GPS/GLONASS/Galileo/QZSS full-band tracking.
Ultra-Compact
39.0×30.0×6.04mm, <25g for embedded integration.
High-Speed Output
Max 20Hz navigation update rate.
Industrial-Grade
Advanced anti-interference, -40℃~+85℃ wide temperature.
Jumpstar JS-BNK43H-2
Multi-Constellation Multi-Frequency RTK GNSS Module
The JS-BNK43H-2 is a high-performance multi-frequency, multi-constellation GNSS RTK board. It supports full-system full-frequency on-chip positioning and multi-system joint positioning, and can work as base station or rover station flexibly.
In dual-antenna mode, it improves positioning accuracy and outputs reliable heading data to reduce signal blockage impact. With a built-in 2GHz dual-core CPU and 1408 super channels, it delivers powerful satellite signal processing capability. Adopting dual-RTK engine and advanced anti-interference technology, it ensures stable and accurate positioning in complex electromagnetic environments, widely used in drones, intelligent lawnmowers, precision agriculture, autonomous driving and other high-precision fields.
1408 super channels, dual-antenna heading, base/rover dual-mode, and industrial-grade reliability make it an ideal solution for demanding applications.
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Key Features & Benefits
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Superior Processing & Channel Capacity Built-in 2GHz dual-core CPU + 1408 super channels, efficient full-constellation signal processing.
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Dual-Antenna Heading & Dual-RTK Engine Dual-antenna interferometry for high-precision heading; dual-RTK engine for fast and stable positioning.
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Base/Rover Dual-Mode Design Supports both base station and rover station modes to meet different application needs.
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Full-System Multi-Frequency Compatibility Covers full-band signals of BDS, GPS, GLONASS, Galileo and QZSS for global positioning.
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Ultra-Fast RTK Initialization Typical initialization time <5s, initial reliability >99.9%, rapid high-precision positioning.
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Miniature Integrated Structure Compact size 39.00×30.00×6.04mm, weight <25g, ideal for space-limited devices.
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Rich & Flexible Interfaces Dual UART, USB, PPS, EVENT, RESET and 3.3V output for easy system integration.
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Technical Specifications
GNSS Performance
| Product Type | Multi-Constellation Multi-Frequency RTK GNSS Module (Dual-Antenna, Base/Rover Dual-Mode) |
| Hardware Channels | 1408 super channels |
| CPU | Built-in 2GHz dual-core CPU |
| Supported Satellite Signals | Main Antenna: BDS/GPS/GLONASS/Galileo/QZSS full bands; Slave Antenna: BDS/GPS/GLONASS/Galileo/QZSS heading bands |
| Heading Accuracy (RMS) | 0.2°@1m baseline |
| Observation Accuracy (RMS) | Pseudorange: 10cm; Carrier Phase: 1mm (All bands) |
| Positioning Accuracy | Single Point: H 1.5m, V 2.5m; DGPS: H 0.4m±1ppm, V 0.8m±1ppm; RTK: H 0.8cm±1ppm, V 1.5cm±1ppm |
| RTK Initialization | <5s (typical), Initial reliability >99.9% |
| Time Accuracy (RMS) | 20ns |
| Velocity Accuracy (RMS) | 0.03m/s |
| Time to First Fix | Cold Start:<30s |
| Max Update Rate | 20Hz |
| Supported Protocols | NMEA-0183, Unicore, RTCM 3.X |
Electrical & Mechanical
| Operating Voltage | 3.5~12.0V DC (Typical 5V) |
| Operating Current | 148~169mA @5V |
| Antenna Interface | RF1 (Positioning), RF2 (Heading); 50Ω, Optimal gain 18~36dB |
| Dimensions | 39.00×30.00×6.04mm (Tolerance ±0.2mm) |
| Weight | <25g |
| Operating Temperature | -40℃ ~ +85℃ |
| Storage Temperature | -40℃ ~ +85℃ |
| Humidity | 95%RH Non-condensing |
| Interfaces | 2×UART, USB, PPS, EVENT, RESET, 3.3V Output |
| Certification | RoHS Compliant |
Typical Applications
Unmanned Aerial Vehicles (Drones)
High-precision positioning and heading for drones, aerial surveying
Intelligent Lawnmowers
Robotic mowers with precise heading and boundary navigation
Precision Agriculture Machinery
Automated guidance with heading for tractors and harvesters
Autonomous Driving & Assisted Driving
High-precision positioning and heading for ADAS and autonomous vehicles
Intelligent Driving Test & Training
Vehicle tracking with heading for driving schools and test routes
Vehicle-Mounted Positioning Equipment
High-precision navigation and heading for vehicles, fleet management
High-Precision Control Systems
Precision control and automation with real-time heading feedback
Intelligent Logistics Scheduling
Asset tracking with heading for warehouse robots and AGVs
Resources & Downloads
JS-BNK43H-2 Datasheet
Complete specifications, pinout, electrical and mechanical details.
Mechanical Drawing
2D/3D mechanical dimensions and pad layout (39.0×30.0×6.04mm).
User Manual
Quick start guide, integration tips, and configuration protocols.
3D CAD Model
STEP, IGES and STL formats for mechanical integration (39.0×30.0×6.04mm).
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