Commscope Italy S.r.l.

Commscope Technologies LLC

Yangzhun Lv

Xianxiang Li

Qing Mi

Giuseppe Resnati

Qiyun Gu

Quan Cao

A cavity filter comprises a housing which defines an internal cavity, first and second resonators in the internal cavity, and a metal coupling sheet. The first resonator has first and second spaced apart coupling panels, and the second resonator has third and fourth spaced apart coupling panels. The metal coupling sheet has a first coupling section positioned between the first coupling panel and the second coupling panel and a second coupling section positioned between the third coupling panel and the fourth coupling panel.

Cavity filter, multiplexer, radio frequency (RF) device and base station antenna

A band-stop filter comprises: a housing having a top wall, a bottom wall and at least one side wall, the housing defining an internal cavity; a signal input port and a signal output port that are respectively disposed on one of the at least one side wall; a resonating element that is disposed in the internal cavity and includes a top, a bottom, and a side; and a transmission line that is disposed in the internal cavity and coupled between the signal input port and the signal output port, the transmission line comprising a coupling section that is coupled to the resonating element, wherein the coupling section is configured to surround more than half of the side of the resonating element and not directly contact the housing and the resonating element.

Band-stop filter, transmission line for band-stop filter and multiplexer

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Suzhou, China

Yangzhun Lv