4G GNSS-RTK High Precision Positioning Kit (EMEA & Thailand)

SKU: KIT0212

The Gravity High-Precision RTK Positioning Kit is a state-of-the-art tool designed to offer exceptional accuracy in navigation and positioning applications. With its ability to achieve 1cm RTK precision, the kit supports multiple satellite constellations including GPS, GLONASS, Galileo, and BDS, ensuring comprehensive global coverage. The operating voltage range of 3.3V to 5V makes it versatile for various applications, while the SMA antenna interface allows for robust signal reception. The kit's advanced features, such as 4 concurrent GNSS channels, SBAS support, and rapid RTK convergence time of less than 10 seconds, make it suitable for high-demand scenarios. Its high sensitivity and dynamic performance capabilities enable operation at altitudes up to 10,000 meters and velocities up to 500 meters per second, with a maximum acceleration of 4g. The navigation update rate of 1Hz and raw data rate ensure timely and accurate data processing. With a comprehensive pinout including UART/I2C data output mode switch, external power input, RTK status LED, and 4G connectivity options, the Gravity RTK Kit is engineered for seamless integration and superior performance in precision-critical applications.

Overview of GNSS-RTK High Precision Positioning Kit(4G Version),For EMEA & Thailand 
  • Docs
  • Tech Specs
  • 1. Getting Started

    This article discusses the principles of RTK positioning, highlighting the Ntrip Protocol's role in transmitting real-time differential GNSS data to achieve centimeter-level accuracy in applications such as surveying, UAV navigation, and precision agriculture, while providing insights into the advantages and limitations of network RTK systems.

    2. Arduino UART Guide

    This blog post offers a detailed guide on setting up high precision positioning with Arduino using UART, including hardware and software requirements, wiring diagrams, and sample code for GNSS-RTK integration.

    3. Arduino I2C Guide

    4. Raspberry pi UART Guide

    This article offers a comprehensive guide on utilizing Raspberry Pi in UART mode for high-precision positioning via RTK technology. It details hardware setup, software requirements, and step-by-step programming instructions, making it an invaluable resource for hobbyists and tech enthusiasts seeking to enhance their project accuracy.

    5. Raspberry pi I2C Guide

    The article guides readers through setting up Raspberry Pi for high precision positioning using I2C, detailing hardware and software preparations, wiring diagrams, and code execution for GNSS RTK integration.

    Reference

    Specification

    Parameter Details
    Operating Voltage (Gravity) 3.3V~5V
    Type-C Power supply for 4G module (requires separate power supply)
    Output Signal I2C/UART
    Antenna Interface SMA
    Reception Bands GPS/QZSS: L1 C/A, L5
    GLONASS: L1
    Galileo: E1, E5a
    BDS: B11, B2a
    Default Constellations GPS+GLONASS+Galileo+BDS+QZSS
    Concurrent Reception Constellations 4+QGNSS
    SBAS WAAS, EGNOS, MSAS, GAGAN
    Function RTK
    Horizontal Positioning Accuracy Autonomous: 1m
    RTK: 5cm+1ppm
    Velocity Accuracy 0.03m/s
    1PPS Accuracy 20ns
    RTK Convergence Time RTK < 10s
    Sensitivity Acquisition: -145dBm
    Tracking: -165dBm
    Reacquisition: -157dBm
    Dynamic Performance Maximum Altitude: 10000m
    Maximum Velocity: 500m/s
    Maximum Acceleration: 4g
    Navigation Update Rate RTK: 1Hz
    Raw Data Update Rate GNSS: 1Hz
    Protocols NMEA 0183 / RTCM 3.x
    Weight Aboutt 380g
    Supported Countries/Regions EMEA & Thailand

    Pinout

    Front Interface
    Front Interface

    Name Description
    UART⇄I2C UART/I2C Output Mode Switch
    PWR IN 5~12V External Power Supply Terminal(DC 5~12V)
    RTK RTK Status Indicator Light, blinks once per second for positioning status value 5; steady on for status value 4; off for other statuses.
    PWR Power Indicator Light - when powered via Type-C or PWR IN
    Type-C Type-C Power Supply Interface

    Gravity Interface
    Gravity Interface

    Name Description
    Gravity I2C&UART Data Output Gravity Interface

    Antenna Interfaces
    Antenna Interfaces

    Name Description
    4G 4G Antenna SMA Interface
    GNSS GNSS Antenna SMA Interface

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