Filtronic Plc engages in the designs and manufacture of customized microwave electronic subsystems and compound semiconductor components. It operates through the following segments: Filtronic Broadband and Filtronic Wireless. The Filtronic Broadband segment designs and manufactures transceiver modules and filters for backhaul microwave linking of base stations used in wireless telecommunications networks. The Filtronic Wireless segment designs radio frequency conditioning product for base stations used in Wireless telecommunication networks. The company was founded by John David Rhodes in June 1977 and is headquartered in Yeadon, the United Kingdom.