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    KGR4B1L1&4B3&LS anti-jamming array antenna
    创始人2025-01-13

    TDXL-KGR4B1L1&4B3&LS is a multi-frequency, 4-element anti-jamming satellite array antenna designed for positioning RN across various frequency bands. Through the rational layout of four antenna elements, it effectively suppresses low elevation angle signals, thereby achieving multipath resistance. The antenna has excellent circular polarization characteristics and high consistency between elements. The array synthesis results in high top gain and a high roll-off factor, offering the antenna excellent multipath interference resistance capabilities. Additionally, a short message transmission and reception (RD) single antenna element is placed at the center of the antenna to enable short message communication functions. The single antenna gain with special craft makes it possible to resist extreme temperature fluctuation, corrosion, and UV rays. It can be widely applied in UAV, shipborne, ship-mounted, vehicle-mounted and other various fields.

    1、The antenna's anti-jamming units are symmetrically designed, ensuring consistent gain for each unit;

    2、It features a high degree of isolation between unit ports;

    3、Excellent top reception gain and roll-off characteristics;

    4、It can be flexibly customized in terms of operating frequency, size, and structure according to customer’s requirements.

    Signal support

    BDS：B1I、B1C、B3I、L、S；

    GPS：L1；

    GLONASS：G1

    Array RN passive index

    Impedance matching

    50Ω

    Polarization

    RHCP

    Maximum gain of a single antenna

    ≥2.0dBi

    Axial ratio of a single antenna (zenith)

    ≤2dB

    Maximum gain of the array

    ≥5.0dBi

    Axial ratio of the array (zenith)

    ≤2dB

    Array axial plane coverage

    ±60°

    Array elevation coverage

    360°

    Low elevation suppression（30°~-15°）

    ≤-5dBi

    Low elevation suppression（15°~-0°）

    ≤-10dBi

    Anti-jamming unit antenna isolation

    ≥15dB

     

     

    Short message RD receiving passive index

    Impedance matching

    50Ω

    Polarization

    RHCP

    Gain

    ≥4.0dBi

    Axial ratio (zenith)

    ≤2.0dB

    Short message RD transmitting passive index

    Impedance matching

    50Ω

    Polarization

    LHCP

    Gain

    ≥4.0dBi

    Axial ratio (zenith)

    ≤2.0dB

    Array RN active index

    Operating voltage

    3.0~12V DC

    Operating current

    ≤150mA

    LNA gain

    34±2dB

    Noise figure

    ≤2.0dB

    Output V.S.W.R.

    ≤2.0

    Flatness in band

    ±2dB

    Short message RD receiving passive index

    Operating voltage

    3.0~12V DC

    Operating current

    ≤45mA

    LNA gain

    32±2dB

    Noise figure

    ≤2.0dB

    Output V.S.W.R.

    ≤2.0

    Flatness in band

    ±2dB

    RN and RD isolation

    L and RN

    ≥20dB

    S and RN

    ≥20dB

    Dimension and reliability index

    Dimension

    φ200*14.2 mm

    （±1mm）

    Weight

    500g

    Output interface

    SMA-K (cable length:15cm)

    Humidity

    95% non-condensing

    Storage temperature

    －45℃～＋85℃

    Operating temperature

    －40℃～＋80℃

    Related models：TDXL-KGR4B1L1&4B3&LS

    Dimension：
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