Core Viewpoint - Shenzhen is developing a high-quality construction plan for low-altitude infrastructure from 2024 to 2026, focusing on building a comprehensive communication network that covers take-off and landing points as well as operational flight routes [1] Group 1: Communication Network Development - The plan will utilize technologies such as 5G, 5G-A integrated sensing, 1.4GHz private networks, and satellite communication to create a high-security, high-reliability, and low-latency air-space-ground-sea integrated communication network [1] - The initiative aims to promote collaboration between communication and low-altitude flight service operators to conduct real-world low-altitude communication technology tests in complex scenarios, facilitating iterative upgrades of low-altitude communication technology [1] Group 2: Maritime Communication Focus - The plan will address the needs for maritime transport safety supervision, emergency rescue at sea, and coastal border security management by advancing the research and development of key technologies for maritime low-altitude communication [1] - Establishing a robust maritime low-altitude communication network will ensure continuous coverage of maritime routes [1]