A 3.5ghz Dual Polarization Wireless LAN Ceiling Antenna
A wireless local area network and ceiling-mounted antenna technology, which can be applied to the combination of antenna units with different polarization directions, the structural connection of antenna grounding switches, and the structural form of radiation elements. It can solve the problems that multi-antenna technology cannot simultaneously take into account miniaturization and high gain , to achieve the effect of expanding the working bandwidth, high precision, and simplifying the antenna structure
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[0023] The present invention will be further described below in conjunction with the accompanying drawings.
[0024] Such as figure 1 As shown, it is a 3.5GHz dual-polarized wireless local area network ceiling antenna of the present invention. The antenna consists of a dielectric substrate 1 with a metal substrate to form the floor and support structure of the antenna. The upper surface of the dielectric substrate 1 is printed with two Feed networks 2 and 3 in the form of a group of microstrip lines. The feed network 2 includes three groups of tree-like bisection power dividers 21, 22, and 23. The feed network 3 includes three groups of tree-like bisection power dividers. Power splitters 31, 32, 33, each feeding network is composed of 3 groups of tree-like halved power splitters cascaded in the above-mentioned 2 groups of tree-like halved power splitters. The two-stage cascading method of the equal power output terminals of a group of tree-like two equal power dividers other ...
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