Filtronic Plc engages in the provision of radio frequency technology. Its products include Morpheus II, Cerus, tower top amplifiers, Orpheus, GaN amplifiers, custom filters, switched filter banks, transceivers, transmit and receive modules, and others. It operates through the following geographical segments: United Kingdom, Europe, Americas, and Rest of the World. The company was founded by John David Rhodes in June 1977 and is headquartered in Sedgefield, the United Kingdom.