4G indoor ceiling-mounted gain antenna
An indoor ceiling antenna, 4G technology, applied in the field of antennas, can solve the problems of large antenna size, and the development of miniaturized dual-polarized ceiling antennas is of great significance, and achieves increased copper cladding area, reduced antenna standing wave ratio, and overall performance. boosted effect
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[0056] Please refer to Figure 1 to Figure 3As shown, it has shown the concrete structure of the preferred embodiment of the present invention, is a kind of 4G indoor ceiling antenna of gain, and its structure comprises radome 10 and chassis (not shown), in this radome 10 and chassis The biconical antenna 20 and the microstrip disk antenna 30 are installed in the enclosed space. The biconical antenna 20 is a vertically polarized radiation part working in two frequency bands of 806-960MHz and 1710-2700MHz, and the microstrip disk antenna 30 is a horizontally polarized radiation part working in a frequency band of 1880-2700MHz, thereby forming energy Meet the omnidirectional radiation requirements of LTE 4G dual-polarization high-gain ceiling antenna.
[0057] Wherein, the biconical antenna 20 is composed of an upper cone 21 and a lower cone 22 . The upper cone 21 and the lower cone 22 are connected by a connecting nut 23 and a plastic sleeve cap 24 to form vertical wave radia...
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