Commscope Italy S.r.l.

Antonio Sala

Riccardo Massa

Andrea Manzoni

Gabriele Riva

Luca Bonato

An assembly for a radio frequency filter includes: an elongate pedestal with an upper surface; a resonator; a tuning member that is positioned above the resonator; and a screw that mounts the resonator to the upper surface of the pedestal, the screw including a shank with a thread and a head, the head including a plurality of recesses configured to receive a tool, the recesses extending through the head.

Radio frequency filter comprising a screw mounted resonator, where the screw includes recesses on the perimeter thereof

A resonant cavity filter includes a housing having a resonator therein, and a tuning element including an elongated pin member having a conductive outer surface. The tuning element is mounted for insertion of the elongated pin member into an interior of the resonator. The conductive outer surface includes a contact portion by which the elongated pin member is secured in a desired position to adjust a frequency response of the resonant cavity filter, where the contact portion is free of threading.

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Agrate Brianza, Italy

Antonio Sala