Multi-frequency antenna
A multi-frequency antenna and antenna technology, which is applied to antennas, independent antenna unit combinations, and devices that enable antennas to work in different bands at the same time, can solve the problems of antennas that are not easy to manufacture, and achieve the effect of simple manufacturing process and maintaining radiated energy
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[0012] 2 to 4 are perspective views of a multi-frequency antenna provided according to a preferred embodiment of the present invention. The multi-frequency antenna 1 is composed of an antenna body 100, a plastic part 200 and a metal foil 300 pasted on the antenna body 100, and a ceramic passive element 400 welded on the antenna body 100, which includes the first wireless wide area network An antenna 2 , a second antenna 3 for wireless local area network, a ground part 6 shared by the two antennas, and installation parts 4 and 5 located on the ground part 6 . In this embodiment, the plastic part 200 , the metal foil 300 and the ceramic passive element 400 are all located on the first antenna 2 . The body 100 of the multi-frequency antenna 1 is made by stamping a metal sheet, and combines the wireless wide area network antenna and the wireless local area network antenna together. The grounding portion 6 has a first grounding portion 61 , an “L”-shaped metal piece 62 extending f...
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