<tr id="vcfya"><samp id="vcfya"></samp></tr>
<output id="vcfya"></output>
<dfn id="vcfya"><strong id="vcfya"></strong></dfn>

    <strong id="vcfya"></strong>
  1. 欧美?级毛片一进一出夜本色,成人综合色图,久久99色综合,欧美人妻中文,97人妻碰碰中文无码久热丝袜,国产97色在线?|?日韩,一本色道无码不卡中文字幕,亚洲免费人妻

    Smart base station antenna

    Name:Non-electric FAD intelligent base station antenna

    Model:基站板狀天線

    Frequency:1700-2700

    Gain:15-17

    Negative Way:+45°

    Standing Wave Ratio:65

    Product Features:

    Non-ESC Smart Panel Antenna SHD-D-1826FAD-BX8-16T6

    Electrical indicators

    Frequency range (MHz)

    1880 ~1920/2010~2025/2500~2690

    Polarization mode

    ±45 °

    Preset inclination angle (°)

    6

    Standing wave ratio of each unit port and calibration port

    ≤1.5

    Isolation between ports of the same polarization unit (dB)

    ≥20

    ≥20

    ≥20

    Coupling degree from calibration port to each unit port (dB)

    -26±2

    Maximum amplitude deviation from calibration port to each unit port (dB)

    ≤0.7

    ≤0.7

    ≤0.7

    Maximum phase deviation between calibration port and each unit port (°)

    ≤5

     

    unit

    Beam

    Horizontal half-power lobe width (°)

    100 ± 15

    90 ± 15

    65 ± 15

    Gain (dBi)

    ≥14

    ≥15

    ≥16.5

    Front-to-back ratio (dB)

    ≥23

    ≥23

    ≥23

     

     

    Broadcast beam

    Horizontal half-power lobe width (°)

    65 ±5

    Vertical half-power lobe width (°)

    ≥7

    ≥6.5

    ≥5

    Gain (dBi)

    ≥14

    ≥15

    ≥16

    Front-to-back ratio (dB)

    ≥28

    Business beam

    0° beam gain (dBi)

    ≥20

    ≥20.5

    ≥22

    0° beam horizontal plane half-power beam width (°)

    ≤26

    ≤26

    ≤26

    ± 60° beam gain (dBi)

    ≥16

    ≥16

    ≥18

    ± 60° beam horizontal plane half-power beam width (°)

    ≤32

    ≤32

    ≤32

    0° front-to-back ratio (dB)

    ≥32

    Mechanical index

    Connector type

    (8+1) × N -type female

    Antenna size: (mm)

    320*110*1350

    Radome material

    UPVC

    Antenna color

    gray

    Mechanically adjustable tilt angle (°)

    0~15

    Working temperature (℃)

    -40 ~+60

    Ultimate wind speed (m/s)

    36

    Antenna weight (kg)

    15

    Installation method

    Pole

    Maintenance method

    Clip code