移动通信的迅猛发展，对应用于无线通信系统的天线提出了小型化、宽频带、多频段工作等要求。
With the great development of wireless communication, there comes great demand of multi-frequency and broadband antennas of compact size.
CAS通信自动化系统，综合布线、宽频网路、移动电话楼内覆盖系统、有线电视及数字程控电话系统。
CAS (communication Automation system) includes cabling system, broadband network system, mobile phone coverage system, cable TV and digital communication system.
本发明公开一种宽频全向吸顶天线，包括：用于完成移动通信系统信号 的室内覆盖，包括：金属底板；
The invention discloses a wideband omnidirectional ceiling antenna which is used for finishing the indoor signal coverage of a mobile communication system.
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