<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

    Multi-system common mode antenna

    Name:Low frequency three smart antenna base station (gain)

    Model:基站板狀天線

    Frequency:880-960/1710-2700

    Gain:8-11

    Negative Way:+45°

    Standing Wave Ratio:90

    Product Features:

    Electrical performance ( TD-LTE-FAD )

    Working frequency ( MHz )

    1880-1920

    2010-2025

    2555-2635

    Polarization mode

    ±45°

    Preset electric down angle (°)

    6

    Standing wave ratio

    ≤1.5

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

    -26 ± 2

    Impedance ( Ω )

    50

    Continuous wave power capacity per port ( W )

    50

    Unit beam

    Gain ( dBi )

    ≥ 11.5

    Horizontal lobe width ( ° )

    100 ± 15

    90 ± 15

    65 ± 15

    Vertical lobe width ( ° )

    ≥ 9

    ≥ 9

    ≥ 9

    Front-to-back ratio ( dB )

    ≥25

     

    Business beam

    0 °pointing beam gain ( dBi )

    16.5

    0 °point to the horizontal plane half power beam width ( ° )

    ≤ 29

    ≤ 26

    ≤ 25

    ± 60 ° pointing beam gain ( dBi )

    13.5

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

    ≤ 32

    ≤ 23

    ≤ 23

    Broadcast beam

    Gain ( dBi )

    12

    Horizontal half-power lobe width ( o )

    65±5

    Front-to-back ratio (dB)

    ≥ 28

    Electrical performance indicators- GSM/DCS

    Frequency range (MHz)

    880 ~ 960

    1710~1880

    Polarization mode

    ± 45°

    ± 45°

    Gain (dBi)

    ≥9

    12

    Electric inclination angle ( ° )

    6

    6

    Horizontal plane half power lobe width ( ° )

    65

    65

    Vertical half-power lobe width ( ° )

    30

    15

    Front-to-back ratio (dB)

    ≥ 23

    Isolation (dB)

    ≥ 28

    Port impedance ( Ω )

    50

    Standing wave ratio

    ≤ 1.5

    Third-order intermodulation (2 × 43dBm carrier)

    ≤ -150 dBc

    Maximum input power (W)

    200

    Antenna size ( mm )

    1000*320*145mm

    Weight ( Kg )

    7.8

    Connector type

    4X7/16 DIN+TD-2X cluster male

    Ambient temperature ( °C )

    -55 ~+70

    Wind resistance

    Working wind speed 110km/h , limit wind speed 200km/h

    Lightning protection

    Directly grounded