JS-ANK45-2
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JS-ANK45-2
High Precision RTK Modules
Jumpstar JS-ANK45-2 Multi-System Multi-Frequency RTK Positioning Module - Centimeter-Level Precision, 1408 Super Channels
Centimeter-Level RTK Precision
Delivers horizontal 1.5cm+1ppm and vertical 2.0cm+1ppm positioning accuracy for high-precision industrial applications.
1408 Super Channels & Multi-Constellation
Tracks BDS, GPS, GLONASS, Galileo, QZSS and SBAS simultaneously for stable signal reception.
Ultra-Fast RTK Initialization
Achieves RTK fixed solution in <5s (typical) with instant initialization technology.
All-In-One Integrated Design
Built-in high-gain antenna, TCXO, LNA, SAW filter and RTC for simplified system integration.
Compact & Lightweight
45.0×45.0×12.7mm mini size and <40g weight, ideal for space-limited devices.
Multi-System Multi-Frequency RTK Positioning Module
JS-ANK45-2 is a high-precision GNSS module supporting multi-system, multi-frequency RTK positioning calculation. Based on a next-generation RF baseband and high-precision algorithm integrated GNSS chip with a high-performance positioning engine, it is equipped with a built-in 2GHz dual-core CPU, advanced anti-interference units, a high-speed floating-point processor and a dedicated RTK co-processor.
With 1408 super channels, it enhances satellite navigation signal processing capability and ensures reliable and accurate positioning even in complex electromagnetic environments. It is specially designed for high-precision positioning applications such as drones, precision agriculture and surveying.
Industrial-grade reliability and compact form factor make it ideal for space-constrained yet precision-critical platforms.
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Key Features & Benefits
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20Hz High-Speed Data Update Max RTK positioning data update rate up to 20Hz for real-time precise positioning.
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Adaptive RTCM Differential Recognition Automatically identifies RTCM format differential input for seamless RTK operation.
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Rich Hardware Interfaces Supports UART, RS232 and I2C, configurable for diverse application scenarios.
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Industrial-Grade Reliability Operates in -40℃ to 85℃ temperature range, adapting to harsh working environments.
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Optional Magnetometer Compass Supports IST8310, QMC5883L and VCM5883 for accurate heading and orientation.
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Technical Specifications
GNSS Performance
| Receiver Type | Multi-system, multi-frequency high-precision RTK GNSS receiver |
| Constellations & Bands | BDS B1I/B2I/B3I, GPS L1/L2/L5, GLONASS L1/L2, Galileo E1/E5a/E5b, QZSS L1/L2/L5, SBAS |
| Channels | 1408 super channels |
| Time to First Fix (Cold Start) | <30s |
| Positioning Accuracy (RMS) | 3D: 1.5m; DGPS: 0.4m+1ppm; RTK H: 1.5cm+1ppm; RTK V: 2.0cm+1ppm |
| Time Accuracy (RMS) | 20ns |
| Velocity Accuracy | 0.03m/s |
| RTK Initialization Time | <5s (typical) |
| Max Data Update Rate | 20Hz |
| Supported Protocols | NMEA 0183, Unicore, RTCM3.X |
Interfaces & Power
| Baud Rate | 9600-921600bps (Default: 115200bps) |
| Power Supply Voltage | 3.0V-5.5V (Typical: 5.0V) |
| Operating Current | 180mA-310mA @3.3V |
| Operating Temperature | -40℃ to 85℃ |
| Storage Temperature | -40℃ to 85℃ |
| Mechanical Dimensions | 45.0×45.0×12.7mm ±0.3mm |
| Weight | <40g |
| Antenna Type | Passive high-gain integrated antenna |
| Magnetometer Options | IST8310 (Default), QMC5883L, VCM5883 |
| Compliance | RoHS |
Typical Applications
UAVs & Drones
Autonomous flight, aerial surveying and mapping
Precision Agriculture
Auto-steering agricultural machinery, crop management
Automotive Applications
Intelligent driving, vehicle positioning
Shared Vehicles & Logistics
High-precision location monitoring, asset tracking
Surveying & Mapping
Geographic survey, topographic mapping
Smart Robots & Ports
Autonomous navigation, automated terminal operation
Power Grid & Transportation
Power facility inspection, traffic monitoring
Intelligent Transportation
Traffic monitoring, vehicle management
Resources & Downloads
JS-ANK45-2 Datasheet
Complete specifications, electrical parameters, and mechanical dimensions.
Protocol Documentation
NMEA 0183, Unicore, RTCM3.X protocol definitions.
User Manual
Quick start guide, RTK configuration, and integration tips.
3D CAD Model
STEP, IGES and STL formats for mechanical integration (45×45×12.7mm).
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