DIELECTRIC WAVEGUIDE PORT COUPLING STRUCTURE, A DIELECTRIC WAVEGUIDE FILTER, A DUPLEXER AND A MULTIPLEXER

HYBRID TYPE FILTER SOLUTION

AU and RU having CWG filters, and BS having the AU or RU

Multi-band RF monoblock filter configured to have an antenna input/output located for separating first and second filters from a third filter

Input/output apparatus of multiplexer, and multiplexer

Methods and devices for real-time monitoring of tunable filters

Switching of frequency multiplexed microwave signals using cascading multi-path interferometric Josephson switches with nonoverlapping bandwidths

Microwave switched multiplexer and a mobile telecommunications device including such a multiplexer

Microwave switched multiplexer and a mobile telecommunications device including such a multiplexer

Switching of frequency multiplexed microwave signals using cascading multi-path interferometric Josephson switches with nonoverlapping bandwidths

Resonant cavity filters with high performance tuning screws

Re-filters for PIM measurements and a test bench utilizing the same

Multi-band RF monoblock filter having first and third filters in a co-linear relationship and first and second filters in a side-by-side relationship

Filter comprising resonator assemblies including a first cavity with a first resonant member and a second cavity with a second resonant member, where a part of the first cavity forms the second resonant member

Ceramic filter with window coupling

Hermetic sealing of ceramic filters

Ceramic block RF filter having a first plurality of through-hole resonators and a second plurality of through-holes for blocking RF signal coupling

Input/output apparatus of multiplexer, and multiplexer

Multi-band RF monoblock filter having first and third filters in a co-linear relationship and first and second filters in a side-by-side relationship

Resonator, filter, duplexer, and multiplexer

Filter

Duplexer

Dielectric filter, duplexer, and communication device

Multiplexer

Multi-band filter

Devices and methods for reducing interference between closely collocated antennas

Multiplexer with common port feeding structure

Filtering apparatus

Reduced size cavity filter for PICO base stations

Base station RF duplexer, RF module, and RF system

Printed circuit board and diplexer circuit

Electrostatic discharge control for a multi-cavity microwave filter

Combline-cavity duplexer, duplexing apparatus, and antenna system for frequency division duplexing operation

Duplex filter with recessed top pattern and cavity

Cavity filter with high flatness feedback

Public cavity input multiplexer

COMPACT AND ADJUSTABLE POWER DIVIDER AND FILTER DEVICE

Reduced size cavity filters for pico base stations

Cavity filter with a slider

Dual-frequency multiplexer

DCS/WCDMA dual frequency synthesizer and a general dual frequency synthesizer

Ultra wide-band dual-frequency combiner

Monoblock dielectric multiplexer capable of processing multi-band signals

Ceramic monoblock filter with inductive direct-coupling and quadruplet cross-coupling

BASE STATION RF DUPLEXER, RF MODULE, AND RF SYSTEM

FILTER, COMMUNICATION MODULE, AND COMMUNICATION APPARATUS

Duplex filter comprised of dielectric cores having at least one wall extending above a top surface thereof for isolating through hole resonators

Antenna feed copling structure of a duplexer

Filter having switch function and band pass filter

Dielectric filter for base station communication equipment

Monoblock RF resonator/filter having a conductive transmission line connecting regions of conductive material

Ceramic monoblock filter with inductive direct-coupling and quadruplet cross-coupling

Low-rise duplexer

Structure and method for improving the reliability of surface mounted ceramic duplexers

Dielectric device

Multilayer chip-type triplexer

Ceramic RF filter and duplexer having improved third harmonic response

Low profile ceramic RF filter including trap resonators and a decoupler

Systems and methods for signal filtering

Dielectric resonator, dielectric filter, dielectric duplexer, and communication apparatus incorporating the same

Ceramic RF triplexer

Compact stripline and air-cavity based radio frequency filter