Filtronic plc is a UK-based company that specializes in designing and manufacturing advanced radio frequency (RF) communications products for various market sectors such as mobile telecommunications infrastructure, defense and aerospace, and public safety. The company offers a range of products and services, including mmWave transceiver modules, RF conditioning equipment, tower top amplifiers, microwave and mmWave components, small cell filters, interference mitigation filters, and E-band transceiver modules for 5G XHaul applications. Additionally, it provides contract manufacturing, microelectronic assembling, module and device performance testing, business systems and program management, supply chain, and design services. Filtronic plc was founded in 1977 and is headquartered in Leeds, UK.