en.Wedoany.com Reported - On June 10, the improved Zhuque-2 Y6 carrier rocket successfully sent the first direct-to-phone test satellite of Shanghai Yuanxin Satellite Technology Co., Ltd. and the "China Mobile 02 Satellite" of China Mobile Communications Group Co., Ltd. into their predetermined orbits from the Jiuquan Satellite Launch Center.

According to China Mobile's official introduction, the two satellites are primarily used for technical experiments and verification of direct-to-phone satellite connectivity and space-terrestrial network integration.

Prior to this launch, the Ministry of Industry and Information Technology guided the completion of domestic frequency coordination for the relevant satellites and issued space radio station licenses and radio frequency usage permits, providing support for the successful launch.

Unlike narrowband communications such as BeiDou short messages and Tiantong satellite voice, these two test satellites will verify technology that allows standard 5G phones to connect directly to satellites without modification or external antennas, requiring only a software upgrade. The theoretical peak downlink rate of this technology reaches 100 Mbps with latency under 50 ms, supporting broadband services such as video calls and high-definition video playback. The technical principle is similar to disguising the satellite as a ground-based 5G base station, enabling phones to directly access the space-based network. It also verifies seamless space-terrestrial network integration, allowing users to switch between ground and satellite signals without perception. According to forecasts, by 2030, the global monthly active users of direct-to-satellite services will reach 411 million, with revenue approaching $12 billion.

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