Adtran Networks SE (Adtran Networks) sells, manufactures, and develops optical and Ethernet-based networking solutions to enterprise and telecommunications carriers.

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The R&D arm of Adtran Networks focuses on developing innovative connectivity solutions for mobile and cloud services. The company operates manufacturing facilities in Meiningen, Germany. It designs and manufactures innovative solutions such as business networking, connected home solutions, end-to-end fiber networking solutions, fiber to the building, fiber to the home, IoT, software as a service, software-defined access and Wi-Fi 6. Adtran Networks focuses on five research areas including optical network futures, network automation and optimization, cybersecurity and encryption, edge solutions for 5G and beyond and electro-photonic integrated circuits. As of December 2022, the company’s R&D focused on three technological areas; enhancing new generation of open line system, TeraFlex; new generation of 100G products including network functions virtualization and ultra-precise synchronization technologies. As of December 2022, it had 400 granted individual patents in 190 patent families. In FY2022, the company incurred expenses of EUR93.5 million on R&D, which as a percentage of revenue, stood at 13.1%.