Filtronic plc designs, develops, manufactures, and sells radio frequency (RF) technology in the United Kingdom, Europe, the Americas, and internationally. It provides Morpheus II and X2, an E-band transceiver module; Cerus, an E-brand power amplifier for long range communications; Hercules II, a high power E-band transreceiver; Taurus, an E-brand power amplifier; Hades X2, an E-band active diplexer; tower top amplifiers; and transmit and receive modules. The company also offers custom products, such as waveguide diplexers; cross-band and in band combiners; custom combiners; front end modules, such as power amplifiers, low noise amplifiers, switches, filters, power detectors, baluns, and other products; GaN amplifiers; and microwave and millimeter wave transceiver products. In addition, it provides filter products, including ceramic, combline and interdigital, waveguide, custom, interference mitigation, lumped element, metal cavity, small cell, suspended substrate, and thin film filters, as well as switched filter banks. Further, the company provides hybrid manufacturing, plastic packaging, outsourced semiconductor assembly and test, electromechanical manufacturing solutions, process engineering, RF design, and in-house testing services. It serves space, aerospace, defense, telecommunication infrastructure, critical communications, and adjacent markets. The company was formerly known as Filtronic Comtek plc and changed its name to Filtronic plc in March 1998. Filtronic plc was founded in 1977 and is headquartered in Sedgefield, the United Kingdom.