Full System Full Frequency Compact High Precision Board

Full System Full Frequency Compact High Precision Board

ER-GB-01 Features:
1. Centimeter-level high-precision RTK positioning;
2. Carrier phase observations better than 1mm;
3. Support 3 serial ports, 11PPS.

Full System Full Frequency Compact High Precision Board

Full System Full Frequency Compact High Precision Board

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    Full System Full Frequency Compact High Precision Board

    Introduction

    ER-GB-01 Full System Full Frequency Compact High Precision Board is a compact high-precision board that supports RTK positioning. This type of board adopts a multi-system, multi-frequency and high-performance SoC chip-Nebulas-IITM with completely independent intellectual property rights. It also adopts a low-power design and provides millimeter and carrier phase observations and centimeter-level RTK positioning accuracy. The instantaneous RTK technology is especially suitable for high-precision navigation and positioning applications.

    Features

    Centimeter-level high-precision RTK positioning

    Carrier phase observations better than 1mm

    Support BDS B1/B2/B3+GPS L1/L2/L5+GLONASS L1/L2+Galileo E1/E5a/E5b+QZSS L1/L2/L5

    Hardware size compatible with mainstream GNSS OEM boards

    MEMS onboard navigation

    Multisystem and multi-frequency high-performance SoC chip based on Nebulas-IITM

    Support single system independent positioning and multiple system joint positioning

    Supports advanced multipath suppression technology

    Support 3 serial ports, 11PPS

    Specifications

    Aisle432 chanels based on Nebulas-II chip
    FrequencyBDS B1/B2/B3, GPS L1/L2, GLONASS L1/L2
    Galileo E1/E5a/E5b, QZSS L1/L2/L5, SBAS L1
    Single point positioning (RMS)Plane: 1.5m, Elevation: 3.0m
    DGPS (RMS)Plane: 0.4m, Elevation: 0.8m
    RTK (RMS)Plane: 1.0cm+1ppm, Elevation: 1.5cm+1ppm
    Cold start<25s
    Recapture<1s
    Initialization time<5s (typical)
    Initial reliability>99.9%
    Differential dataRTCM v2.3/3.0/3.2
    Data formatNMEA-0183, unicore
    Data update rate*20Hz
    Positioning update rate*20Hz
    Time accuracy (RMS)20ns
    Speed accuracy (RMS)0.03m/s
    Inertial navigation accuracy<5%×driving distance (no GNSS signal)
    Observation accuracy (RMS)BDSGPSGLONASSGalileo
    B1/L1 C/A/E1 code10cm10cm10cm10cm
    B1/L1/E1 carrier phase1mm1mm1mm1mm
    B2/L2P (Y)/L2C/E5a code10cm10cm10cm10cm
    B2/L2P (Y)/L2C/E5a carrier phase1mm1mm1mm1mm
    B3/L5/E5b code10cm10cm10cm10cm
    B3/L5/E5b carrier phase1mm1mm1mm1mm
    Physical properties
    Size46x71x11.5 mm
    Weight26g
    Operating temperature-40°C~+85°C
    Storage temperature-40°C~+85°C
    Humidity95% non-condensing
    I/O interface2×10 pin
    Antenna interface1×MCX
    VibrationGJB150.16-2009, MIL-STD-810
    ShockGJB150.16-2009, MIL-STD-810
    Electrical index
    Voltage3V~5V DC
    LNA feed4.75~5.10V, 100 mA
    Voltage ripple100mV p-p (max)
    Power consumption2W (typical)
    Function interface
    Serial port3xUART (LVTTL)
    PPS1xPPS (LVTTL)

     

    Application Techniques

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