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    Miniaturized car ceiling antenna specification
    创始人2025-01-14

    TDXL-CZ2003 is a miniaturized car ceiling antenna (multi-satellite, multi-frequency), offering high-peak gain, excellent low elevation gain, wide-elevation circular polarization and stable phase center. It adopts a lightweight design, featuring stable performance. And it makes it suitable for the vehicle-grade fields with strict requirement on product weight.

    1、The antenna part adopts multi-feed points design to enable the coincidence of phase center and geometric center and minimize the measuring error of antenna entrance.

    2、The antenna adopts microwave material, featuring high passive gain, compact size and lightweight.

    3、The outer cover adopts plastic material that can resist high temperature, and it is designed to protect internal circuit through thermal insulation.

    4、Adopting integral waterproofing design, the IP-degree reaches IP67.

    5、Strong magnetic suction ensures that the antenna position is stable during use.

    Signal support

    BDS：B1I、B1C、B2a、B2b、B3I；   GPS：L1、 L2、L5；

    GNONASS：G1、 G2；   Galileo：E1、E5a、E5b

    Operating frequency

    1170MHz~1285MHz；1550MHz-1615MHz

    Impedance matching

    50Ω

    Dual-frequency delay difference

    ≤5ns

    Polarization

    RHCP

    Operating voltage

    3.0~12V DC

    Highest gain

    ≥2 dBi

    Operating current

    ≤55mA

    Axial ratio

    ≤3dB

    Operating temperature

    －40℃～＋85℃

    Elevation coverage

    360°

    Storage temperature

    －55℃～＋85℃

    LNA gain

    34±2dB

    Humidity

    95% non-condensing

    Noise figure

    ≤2.0dB

    Dimension （mm）

    See the attached figure

    Output V.S.W.R.

    ≤2.0

    Output interface

    SMA female( or outlet SMA male)

    Flatness in band

    ±2dB

    Weight

    ≤120g

    Related models：TDXL-CZ2003
    Dimension：
    image.png

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