The IET Electronics and Communications Symposium 2026 (ECS 2026), proudly hosted by the Electronics and Communications Section (ECS) of the IET Hong Kong, will spotlight cutting-edge innovations driving sustainable, connected smart city development. This premier event brings together global experts and thought leaders to explore emerging technologies and their real-world applications. Topics include but not limited to: Low-Altitude Economy, Brain-Computer Interface, Smart Hospital/Smart Healthcare systems, Mobile Communications, Artificial Intelligence (AI), Logistics Optimization, Intelligent Transportation Solutions, Unmanned Aerial Vehicles (UAVs) etc.. The symposium will also examine the integration of Internet of Things (IoT) technologies and the challenges surrounding large-scale deployment. ECS 2026 promises to be a vibrant forum for networking, collaboration, and shaping the future of urban innovation.