Xin Hua Wang·2025-11-11 12:16Core Insights - China Mobile has upgraded its Beidou messaging service, enhancing text transmission capabilities to 40 Chinese characters for sending and 10 for receiving, and introducing image and voice messaging features [1] Group 1: Technology Advancement - The new algorithm developed by China Mobile allows for the transmission of images up to 200MB and voice messages of 8 seconds with a high compression ratio, achieving over 90% compression [1] - This upgrade marks a transition from simple text communication to rich media interaction, significantly improving communication efficiency and user experience [1] Group 2: Application and Use Cases - The Beidou messaging service can now facilitate communication in environments without ground network signals, supporting various forms of information exchange such as text, voice, and images [1] - This service is particularly beneficial for emergency communications, outdoor adventures, maritime operations, and rescue missions in remote areas [1]