Group 1 - The core viewpoint is that submarine optical communication plays a crucial role in deep-sea technology and serves as an essential communication infrastructure connecting various countries and regions, supporting international phone communication, internet access, and data transmission [1] - As of early 2025, there will be over 395 operational submarine communication lines globally, with a significant increase in international interconnect bandwidth demand and the first batch of submarine optical cables reaching a replacement peak, indicating a new investment surge in submarine communication cables in the coming years [1] - The Communication ETF (515880) closely tracks the CSI All Share Communication Equipment Index, which includes high-quality listed companies in the communication equipment sector, reflecting the overall performance of the communication industry [1] Group 2 - The fund's major holdings in communication equipment, optical modules, and communication terminals have leading advantages and are well-positioned to benefit from the industry's growth dividends [1] - Investors without stock accounts can seize investment opportunities in the communication sector through the Communication ETF's connection fund (007818) [1]