Resonant is a company that provides radio frequency (RF) filter solutions, developed on a robust intellectual property platform, that connects People and Things. It uses Infinite Synthesized Networks technology to configure and connect resonators, the building blocks of RF filters. The company develops a duplexer, a single-band filter design for mobile devices; multiplexer filter designs for two or more bands to address the carrier aggregation, as well as reconfigurable filter designs for various RF frequency bands.