Filtronic plc designs and manufactures radio frequency (RF) components and subsystems, primarily for telecommunications infrastructure, aerospace, and defense markets. The company focuses on developing high-performance transceivers and integrated circuits, particularly in the mmWave range, to meet the needs of critical communication networks. Its operations are segmented into three core areas: space (including partnerships with companies like SpaceX), aerospace and defense, and telecommunications. Filtronic serves a global customer base, leveraging its in-house technology to deliver advanced RF solutions.