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

Special base station antenna

Name:High-speed rail 1800 - FAD double-frequency electric adjustable antenna

Model:基站板狀天線

Frequency:1700-2700

Gain:17-21

Negative Way:+45°

Standing Wave Ratio:30

Product Features:

Electrical indicators

Working frequency (MHz)

1710~1830

1885-1920

2010-2025

2575-2635

Polarization method (°)

±45

±45

Vertical ESC angle range ( o )

2-12

2-12

Accuracy of electric down-tilt angle ( o )

±1

±1

Voltage standing wave ratio of each radiation port

≤1.5

≤1.5

Third-order intermodulation (dBm, @2×43dBm)

≤-107

≤-90

≤-90

≤-90

Second-order intermodulation (dBm, @2×43dBm)

/

≤-90

≤-90

≤-90

Isolation between 1800-FA/D frequency bands

≥30

Average power tolerance (W)

≥120

≥100

≥200

Isolation (dB)

≥25

≥25

Horizontal half-power beam width (°)

32 ±4

32 ±4

Vertical half-power beam width a (°)

≥7

≥6.5

≥6

≥5

Gain (dBi)

≥19.5

≥20

Cross polarization ratio (dB, axial)

≥18

≥18

Cross polarization ratio (dB, within ±15° range)

≥10

≥10

Front-to-back ratio (dB)

≥27

≥27

Upper side lobe suppression (dB)

≤-17

≤-17

The first zero point fill (dB)

≥-22

≥-22

Beam ±30° edge power drop (dB)

12 ±3

12 ±3

Interface Type

2 ×7/16DIN

2 ×7/16DIN

Mechanical index

Connector type

2x2-7/16/DIN-Female

Antenna size: (mm)

450*145*1335

Radome material

FRP

Antenna color

gray

Working temperature (℃)

-40 ~+60

Ultimate wind speed (m/s)

36

Antenna weight (kg)

20

Installation method

Pole

Working temperature (℃)

-40~+60

Pole diameter (mm)

φ50~φ115



北辰区| 普兰县| 庆安县| 昭觉县| 宕昌县| 高淳县| 基隆市| 长顺县| 泌阳县| 庆云县| 石柱| 琼海市| 建瓯市| 西盟| 光山县| 娄烦县| 五华县| 台安县| 翁源县| 花莲县| 池州市| 乡城县| 寿阳县| 鱼台县| 云林县| 襄城县| 屯门区| 白城市| 南城县| 惠水县| 米泉市| 侯马市| 六安市| 平舆县| 文昌市| 永德县| 高台县| 历史| 苍南县| 黄冈市| 巴中市|