Adtran Networks SE engages in the development, manufacture, and sale optical and Ethernet-based networking solutions for telecommunications carriers and enterprises to deliver data, storage, voice, and video services. It offers open optical transport solutions, such as FSP 3000 open terminals, FSP 3000 open line systems, and pluggables and subsystems; network infrastructure assurance solutions; optical line terminals, optical network terminals, and fiber aggregation and extension solutions; and mesh Wi-Fi gateways and satellites, and cloud managed Wi-Fi solutions. The company also provides enclosures and cabinets; business solutions, including access routers and IP gateways, enterprise switching, enterprise wireless, packet edge, and network virtualization; cloud software comprising management and orchestration solutions, and SaaS applications; timing and synchronization solutions; and services, such as consulting and education services in designing, commissioning, integrating, and testing broadband networks; and deployment, cloud and software, support, and training services. It sells its products to telecommunications service providers, private companies, universities, and government agencies, as well as through a network of distribution partners. The company operates in Germany, rest of Europe, the Middle East, Africa, the Americas, and the Asia-Pacific. Adtran Networks SE was formerly known as ADVA Optical Networking SE and changed its name to Adtran Networks SE in June 2023. The company was founded in 1994 and is headquartered in Munich, Germany. Adtran Networks SE is a subsidiary of ADTRAN Holdings, Inc.