国产精品婷婷午夜在线观看,加勒比无码在线,午夜精品偷拍,精品欧美一区二区久久久,免费?无码?国产61在线,亚洲天堂久久,日日日干干干,五月丁香综合网

Smart base station antenna

Name:FA/D independent electrically controlled intelligent plate type antenna (4 * cluster head)

Model:基站板狀天線

Frequency:1700-2700

Gain:15-17

Negative Way:+45°

Standing Wave Ratio:90

Product Features:

Electrical indicators


Frequency range (MHz)

1880 ~1920 (F)

2010 ~2025 (A)

2500 ~2695 (D)

Polarization mode

±45 °

Electric inclination angle (°)

2 ~12

Standing wave ratio of each unit port and calibration port

≤1.5

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

-26±2

 

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

2x4 core cluster male header+2x5 core cluster male header

Antenna size: (mm)

       1500*320*140

Radome material

      UPVC

Antenna color

      gray

Working temperature (℃)

     -40 ~+60

Ultimate wind speed (m/s)

       36

Antenna weight (kg)

       twenty two

Installation method

       Pole

Working temperature (℃)

      -40~+60

Relative humidity

       8%~98%

Wind resistance

Working wind speed 110Km/h Limit wind speed 110Km/h


海原县| 特克斯县| 台南县| 罗城| 湟中县| 凤凰县| 阜阳市| 河东区| 南木林县| 遂平县| 饶阳县| 盐津县| 启东市| 普洱| 增城市| 东宁县| 麻江县| 邹平县| 沧源| 兴山县| 阿勒泰市| 烟台市| 师宗县| 兴国县| 南岸区| 怀来县| 崇州市| 塔城市| 庐江县| 邹城市| 措勤县| 乌兰浩特市| 广平县| 滁州市| 大新县| 施秉县| 离岛区| 溧阳市| 丹阳市| 沂水县| 儋州市|