NTT Advanced Technology (NTT-AT) is a subsidiary of Japan’s NTT Group and develops innovative information and communication technologies (ICT) to address the challenges of the future. Through its Berlin Open Innovation Hub at Urban Tech Republic, NTT-AT fosters collaboration between companies, startups, and research institutions. In the showroom at the Frachthalle, the company is showcasing, among other things, the Centauri laser communication system and plans to conduct tests on free-space optical communication on the Berlin TXL site.