Commscope Italy S.r.l.

Tongyu Technology Oy

Tero Kämäräinen

Janne Penttilä

Marko Tapani Uusitalo

Filter devices are provided herein. In some embodiments, a filter device includes first and second resonator stalks in respective first and second openings in a PCB that has first and second metal resonator heads that are on the first and second resonator stalks, respectively. Moreover, in some embodiments, a filter device includes a metal resonator head that has a loop portion on a resonator stalk and a plurality of arms that extend outward from the loop portion.

Radio frequency filters having a circuit board with multiple resonator heads, and resonator heads having multiple arms

A filter apparatus includes a filter body including one or more resonator cavities, a casing, wherein the filter body is arranged inside the casing, and at least one flexible fixing member. A first connection area of the at least one flexible fixing member is fixed to the casing and a second connection area of the at least one flexible fixing member is fixed to the filter body. The at least one flexible fixing member is made of material including at least one of metal, polymer, rubber.

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Tupos, Finland

Tero Kämäräinen