Core Viewpoint - The article highlights the critical role of satellite phones in emergency communication during the severe flooding in Beijing's Huairou District, showcasing their effectiveness when traditional communication methods fail [1][2][4]. Group 1: Emergency Response and Communication - Satellite phones served as a vital communication tool for firefighters and rescue teams, enabling them to report on disaster conditions and assist villagers in contacting their families [2][4]. - The Huairou District has achieved satellite phone coverage in 941 mountainous villages, ensuring communication during emergencies [1]. Group 2: Technical Aspects of Satellite Phones - Satellite phones operate independently of ground-based infrastructure, using satellites for signal transmission, which is crucial in areas where traditional networks are disrupted [7][9]. - The effectiveness of satellite phones can be influenced by environmental factors such as terrain, weather, and obstructions like trees and buildings [11]. Group 3: User Experiences and Accessibility - Users have reported successful communication during emergencies using satellite-enabled smartphones, which can be a lifesaver in critical situations [12][15]. - The cost of satellite phones ranges from 5,000 to 17,000 yuan, making them comparable to mid-range smartphones, while satellite communication services can be activated on existing mobile plans for a low monthly fee [16][18].