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    BDS dual-frequency timing antenna specification
    创始人2025-01-14

    TDXL-382 is a BDS dual-frequency high-precision timing antenna designed for  supporting the reception of BDS B3I, B1I, B1C satellite navigation signals. The antenna features excellent resistance to multipath effects, stable phase center, high positioning accuracy, and effective reception at low elevation angles. It is suitable for applications requiring precise timekeeping like base stations, power systems, and clocks.

    1、Using multi-feed miniaturized technique, the antenna enables the right circular polarization and phase center performance, as well as minimizes the impact of measuring error;

    2、The antenna unit offers high gain and minimal gain roll-off, providing excellent reception of low elevation satellite signals and ensuring normal reception in severely obscured locations.

    3、It is designed with a lightning protection circuit, capable of withstanding instantaneous voltages up to 1KV.

    4、Aesthetically pleasing appearance, along with excellent waterproof, corrosion-resistant and high-temperature resistance properties.

    Signal support

    BDS：B3I、B1I、B1C;    GPS： L1;    GNONASS：G1


    Operating frequency

    B3I：1268.52±10.23 MHz；

    B1I：1561.098±2.046 MHz；

    B1C：1575.42±2.046MHz；

    L1：1575.42 ±1.023MHz；

    G1： 1602.5625±4 MHz

    Impedance matching

    50Ω

    Dual-frequency delay difference

    ≤5ns

    Polarization

    RHCP

    Operating voltage

    3.0~12V DC

    Highest gain

    ≥4.0 dBi

    Operating current

    ≤55mA

    Axial ratio

    ≤3dB

    Operating temperature

    －40℃～＋80℃

    Elevation coverage

    360°

    Storage temperature

    －45℃～＋85℃

    Flatness in band

    ±2dB

    Humidity

    95% non-condensing

    LNA gain

    36±2dB

    Dimension

    See the attached figure

    Noise figure

    ≤2.0dB

    Output interface

    N（Female）

    Output V.S.W.R.

    <2.0:1

    Weight

    ≤220g

    Related models：TDXL-382
    Dimension：
    image.png

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