亚洲国产精品久久久久制服,中文字幕在线一区二区在线,中文字幕视频一区二区,91在线国内在线永久播放

Beautification with cover

Name:Water tower type cover

Model:基站板狀天線

Frequency:20-30

Gain:1-3

Negative Way:+45°

Standing Wave Ratio:<15

Product Features:

Water tower type beautifying antenna cover

■ Mechanical Index

Mechanical specifications

Radome material

Radome Material

FRP (FRP) 3-5mm

Antenna size

Dimensions of Antenna

Φ 800x2000mm

Antenna weight

Weight of Antenna

85KG

Elevated

Increased Frame

1000mm

Signal attenuation

signal attenuation

<1 dB

Cover dielectric constant

Cover Dielectric Constant

<5 dB

Standing wave ratio influence

Influence on VSWR

Change <0.2 dB

Front-to-back influence

Influence on front-to-back ratio

Change <1 dB

Tensile Strength

Tensile Strength

>150 MPa

Bending strength

Bending Strength

>142 MPa

Barcol hardness

Barcol scale of hardness

40 HBa

Radome flame retardant

Radome Flame

8624 GB - 1997 B1 level

Anti-UV

Anti-ultraviolet

Does not change color within a year

Acid and alkali resistance

Acid-alkali Resistance

No obvious fading within two years

Anti-aging of outer cover

Radome Resistance Aging

No obvious shedding on the surface of hernia lamp irradiated by 1000H

Working wind speed

Working Wind Speed

36.9 m/s

Limit wind speed

Limited Wind Speed

55m/s

Operating temperature

Working Temperature

-40 ° ~ +60 °

Limit temperature

Limited Temperature

-55 ° ~ +75 °

Ice pick thickness

The Thickness of Grab   Ice

10mm is not destroyed

Lightning protection

Lightning-protection

DC grounding

Installation method

Installation Method

Floor installation

Maintenance method

Maintenance mode

Bottom maintenance door

other requirements

Other Requirements

Overall anti-corrosion and anti-rust



福清市| 法库县| 天峨县| 辽阳县| 龙泉市| 勃利县| 丹东市| 景谷| 景洪市| 子洲县| 岑巩县| 普安县| 浠水县| 嵊泗县| 阳泉市| 什邡市| 浙江省| 岫岩| 新郑市| 新民市| 宾阳县| 鄱阳县| 固安县| 桂东县| 尚义县| 翁源县| 紫云| 宜城市| 治多县| 永修县| 天津市| 莒南县| 西城区| 光山县| 张掖市| 崇仁县| 叙永县| 化德县| 齐河县| 瓮安县| 沙田区|