Core Viewpoint - The article highlights the response of telecommunications companies in Beijing to severe flooding, detailing their efforts to restore communication services using advanced technologies like drones and satellite communication systems [1][4]. Group 1: Emergency Response and Recovery Efforts - As of July 28, China Telecom deployed 334 personnel, 6 satellite communication vehicles, and 30 emergency repair vehicles to restore communication in affected areas [2]. - China Unicom reported the deployment of over 320 personnel and various emergency equipment, including 10 satellite base station vehicles and 34 satellite phones, with significant restoration of base stations in multiple districts [2][3]. - Beijing Mobile utilized 5 emergency communication vehicles and 2 drones to establish communication in key areas, successfully sending emergency messages and enabling communication for local government command points [2][4]. Group 2: Impact of Severe Weather - The average rainfall in Beijing reached 165.9 mm, with the maximum recorded at 543.4 mm, leading to significant infrastructure damage, including 31 road damages and 1825 disabled base stations [1]. - Communication facilities suffered extensive damage, with 62 fiber optic cables destroyed and 136 villages experiencing power outages [1]. Group 3: Technological Innovations in Communication - The use of drone base stations has been pivotal, providing emergency communication services to several villages and sending nearly 1 million emergency messages [4][5]. - Satellite communication vehicles and portable satellite stations were deployed to ensure connectivity in remote areas, demonstrating the effectiveness of "hard technology" in disaster response [4]. Group 4: Community Support and Services - Telecommunications companies provided temporary services such as free calls and charging stations for disaster-affected individuals, with China Telecom sending out 19.65 million risk warning messages [5]. - Beijing Unicom offered 100G of free data to users in affected areas, while Beijing Mobile provided essential services like drinking water and temporary shelter at key locations [5].

Core Points - The article discusses the emergency communication efforts by telecom companies in Beijing in response to severe rainfall and flooding, highlighting the deployment of drones and other technologies for restoring communication services [2][10]. Group 1: Emergency Response - As of July 28, the average rainfall in Beijing reached 165.9 mm, with the maximum at 543.4 mm in certain areas, leading to significant damage including 31 destroyed roads and 1825 disabled communication base stations [2][10]. - Telecom companies including China Mobile, China Telecom, and China Unicom mobilized quickly to restore communication in affected areas, with China Telecom deploying 334 personnel and various emergency equipment [3][10]. - By July 29, China Unicom reported the restoration of 192 base stations in Miyun District and 50 in Huairou District, among other recovery efforts [6][10]. Group 2: Technology Utilization - China Mobile utilized drone technology for emergency communication, successfully sending nearly 1,000 emergency messages and providing communication services to several villages [10][11]. - The drone operations included providing 4G public network services for government and community needs, demonstrating the effectiveness of "hard technology" in disaster response [10][11]. - Telecom companies also offered temporary services such as free data and emergency SMS alerts to support affected users, with China Telecom sending 19.65 million risk warning messages [11][12].