antenna feeder
天线单元板尺寸:280mm0*1400mm*400mm
- UHF Four dipole transmitting antenna
(UHF四偶极子电视发射天线)
频率范围Frequency range:470MHz~860MHz
特性抗阻Characteristic impedance:50Ω
频道梳理Number of channels:可多频道共用 Multi-channels
增益Gain (Mid-band)dB:12.5dB
功率容量Input power:1~20KW(system power系统功率)
驻波比Standing wave ratio:1.09(单元板Cell Board)
输入接头Input connector:7/16 DIN female,7/8 EIA Flange
极化方式Polarization:水平极化 Horizontal
抗风速Rated wind velocity:270KM/H
重量Weight,kg:50KG
建议层间距Recommended spacing between bays,mm:1150mm
有效挡风面积Effective area front(full antenna):0.52㎡
颜色Colour:白色,红色 white radome standard,other upon request
天线罩材料Material-Radome:玻璃钢 Fibreglass or Luran
绝缘材料Material-Insulators:聚四氟乙烯PTFE
内导体材料Material-radiators:H62黄铜 H62 brass
反射板材料Material-Baffle-board:不锈钢 Stainless steel
(UHF缝隙电视发射天线)
频率范围Frequency range:470MHz~860MHz
特性抗阻Characteristic impedance:50Ω
增益Gain (Mid-band)dB:6~14dB
功率容量Input power:1~20KW
驻波比Standing wave ratio:≤1.1
极化方式Polarization:水平极化 Horizontal
抗风速Rated wind velocity:200KM/H
有效挡风面积Effective area front(full antenna):0.40㎡
重量Weight,kg:25~60KG
尺寸Size:Φ250*2500mm~4600mm
天线罩材料Material-Radome:纤维玻璃 Fibreglass
内导体材料Material-radiators:铝合金/黄铜 Aluminium
输入接头Input connector:L27,DIN7/16,IF45、IF70、IF110