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    Short Message Antenna

    TDXL-BLS3006 BDS short message combined antenna
    创始人2025-01-11

    TDXL-BLS3006 is a built-in antenna designed for receiving BDS B1I, B1C, and S-band satellite signals, as well as transmitting BDS L-band signals. It is designed with an integrated structure for B1I, B1C and L bands to minimizes mutual interference between these bands, while the gain of B1I, B1C, and L can be changed as required. It provides wide directional beam and exhibits excellent high and low elevation performance. For the B1I and B1C bands, an active design is adopted to reduce antenna output loss. The antenna with special craft makes it possible to resist extreme temperature fluctuation and corrosion, which can do outdoor work for a long time. It is widely applied in ship-borne, vehicle-mounted, handset and other other fields.

    1、The antenna part adopts symmetrical design to minimize the impact of the precision error and ensure the phase center stability.

    2、The unit features a dual-feed design, offering high gain, a wide directional beam, and excellent low-elevation signal reception, ensuring normal reception in special occasions where the signal is severely obscured.

    3、The antenna features an integrated design for supporting B1I, B1C and L bands, which minimizes mutual interference between these bands. The gain of B1I, B1C, and L can be changed as required.

    4、For the B1I and B1C bands, an active design is employed to reduce antenna output loss and improved antenna signal-to-noise ratio (SNR).

    5、Excellent circular polarization axial ratio and gain bandwidth.

    6、Compact size and easy to integrate.

    7、Can be flexible customized according to customer’s request.


    Signal support

    BDS: B1I、B1C、L、S

    Output impedance

    50Ω

    Passive antenna performance

    B1 V.S.W.R.

    ≤2.0

    （B1I 1561.098±2.046MHz;

    B1C：1575.42±2.046MHz）

    B1 polarization gain

    （RHCP）

    ≥-1.0dBi(elevation angle 30°)

    ≥3dBi(elevation angle 90°)

    L V.S.W.R.

    ≤2.0

     (1615.68±4.08MHz)

    L polarization gain

    （LHCP）

    ≥-0.5dBi(elevation angle 30°)

    ≥2dBi(elevation angle 70°)

    ≥4dBi(elevation angle 90°)

    S V.S.W.R.

    ≤2.0

    (2491.75±4.08MHz)

    S polarization gain

    （RHCP）


    ≥-2.5dBi(elevation angle 30°)

    ≥2dBi(elevation angle 70°)

    ≥3.5dBi(elevation angle 90°)

    Isolation

    ≤-15dB(B1\S)

    ≤-15dB(B1\L)

    ≤-15dB(S\B1)

    ≤-15dB(S\L)

    ≤-15dB(L\B1)

    ≤-15dB(L\S)

    Axial ratio

    B1≤3.0

    S≤3.0

    L≤3.0

    Antenna physical characteristics

    Dimension

    ≤φ75*10.4 mm

    Weight

    ≤100g

    Output interface

    MCX (customizable)

    Humidity

    95% non-condensing

    Storage temperature

    －55℃～＋70℃

    Operating temperature

    －45℃～＋65℃

    Related models：TDXL-BLS3006
    Dimension：

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