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    CNT803L-25M

    CNT803L-25M是一款高性能GNSS导航定位天线一体模组接收机,基于Ublox G8030 GNSS接收机芯片,支持GPS,GALILEO,QZSS以及卫星增强系统SBAS。具有高灵敏度、低功耗优势,可广泛应用于高精度定位、无人机、车载设备、手持终端、行业领域等。

    1. 详细信息

    APPLICABLE PRODUCT P/NO OR PURCHASE CODE : 19-803254L-13

     

    1.  OVERVIEW

     

    1.1 Description

    §   CNT803L-25M is a GNSS receiver build-in high sense -167dBm chip on board. Featuring Ublox single die high performance and low power consumption positioning M8 engine, CNT803L-25M provides excellent sensitivity and short TTFF with no host interaction needed. It is suitable for vehicle or UAV products require for high sensitivity and need fast TTFF in weak signal environments.

     

    1.2 Features

    §   UBLOX ultra high sensitivity solution

    §   72-Channel u-blox 8 engine with 2million effective correlators

    §   Supports Assisted GPS Online and offline Operation

    §   High Sensitivity acquisition, reacquisition and tracking sensitivity

    §   Supports standard NMEA-0183 and UBX protocol

    §   Supports standard RTCM 10402.3( RTCM stream automatically read and processed )

    §   Hybrid GPS/GLONASS/BEIDOU/SBAS engine ( WAAS, EGNOS, MSAS )

    §   High immunity to jamming

    §   Up to 10Hz update rate

    §   Built-In Back-up power supply for RTC

    §   GPS receiver With Patch Antenna

    §   Internal Patch ANT Size : 25.0(w)mm×25.0(d)mm×4.0(h)mm

    §   RoHS Compliant ( lead-free )

     

    1.3 Product Applications

    ▪ Automotive application

    ▪ UAV


    3.  GENERAL SPECIFICATION

     

    3.1 General specification

     

    No.

    ITEM

    SPEC

    1

    Receiving Frequency1

    GPS L1, GLONASS G1, BEIDOU B1

    2

      SBAS supported

    WAAS, EGNOS, MSAS, GAGAN

    3

      QZSS supported

    QZSS

    1  Ready to support Galileo E1B/C when available. Default is configured as GPS+GLONASS.

     

    3.2 Accuracy

     

    No.

    ITEM

    SPEC

    1

    Horizontal position accuracy(-130dBm)

    2.5 meter CEP, 24hours static, without SA

    2.0 meter CEP, 24hours static, with SBAS

    2

    Velocity accuracy

    0.1 meter/second , without SA

     

    3.3 Datum

     

    No.

    ITEM

    SPEC

    1

    Datum

    WGS-84 (Default)

     

    3.4 Acquisition Rate

     

    No.

    ITEM

    SPEC

    1

    Hot start2

    1 s, Autonomous

    2

    Cold start2

    26 s, Autonomous

    2 6 SVs, All satellites at -130 dBm

     

    3.5 Sensitivity

     

    No.

    ITEM

    SPEC

    1

    Tracking Sensitivity

    -167dBm , Typical

    2

    Acquisition Sensitivity

    -148dBm , Typical

    3

    Reacquisition Sensitivity

    -160dBm , Typical

    4

    Hot start Sensitivity

    -156dBm, Typical

     

    3.6 Dynamic condition

     

    No.

    ITEM

    SPEC

    1

    Velocity

    500m/s (Max)

    2

    Altitude

    50000m

    3

    Acceleration

    4g

     

    3.7 DC power

     

    No.

    ITEM

    SPEC

    1

    Main Power

    +3.0V ~ +5.5V  DC, typical 5.0V

    3

    Supply Current

    45mA @ 5.0V DC typical

     

    3.8 Serial Port

     

    No.

    ITEM

    SPEC

    1

    Electrical Interface

    Full duplex serial communication

    2

    Baud rate

    9600bps (Default)

    3

    Protocol Message

    NMEA-0183 (Default) and UBX protocol

     

     

     

     

    4.  ELECTRICAL CHARACTERISTICS

     

    4.1   Absolute Maximum Ratings

     

    Parameter

    Symbol

    Min

    Max

    Units

    Power Supply Voltage

    VDD

    0

    6.0

    V

    Serial Port Input Voltage

    Vin

    -0.5

    3.6

    V

    ESD Contact

    Vesd

    -

    2000

    V

    Storage Temperature

    Ts

    -40℃

    +85℃

     

     

    4.2 Electrical characteristics

    ( Test temp :   25℃ )

     

    Characteristics

    Symbol

    Min

    Typ

    Max

    Units

    Power Supply Voltage

    VDD

    3.0

    5.0

    5.5

    V

    Supply Peak Current (Tracking)

    Icc

    -

    -

    45

    mA

    Supply Peak Current (Acquisition)

    Icc

    -

    -

    65

    mA

    Operation Temperature

    T

    -30

    +25

    +80

     

     

    4.3 Basic Physical characteristics

     

    Characteristics

    Symbol

    Min

    Typ

    Max

    Units

    Length

    L


    28.0


    mm

    Width

    W


    28.0


    mm

    MAX High

    H

    -

    -

    8.8

    mm

    Tolerance: ±0.3mm


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