BeiDou and Tiantong Satcom: Is Huawei leading the field of Direct-to-Smartphone communications?

China’s BeiDou satellite system is not a typical GNSS system: its two-way short message and data communication capabilities are used in in the latest series of Huawei smartphones like Mate, X and Nova to provide emergency and casual Direct-To-Smartphone communication when cellular or Wi-Fi coverage is not available. A second Chinese satellite constellation, Tiantong-1, is nowadays available to leading Chinese smartphone OEMs like Huawei, Honor, OPPO, Xiaomi and ZTE to enhance the capability of their devices.

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