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免费卫星短信背后的高昂成本
去年六月,苹果宣布,作为iOS 18系统更新的一部分,iPhone用户将能免费通过卫星向任何人发送短信。此举为非地面网络(NTN)卫星通信领域引入了竞争浪潮,苹果通过扩展其基于Globalstar卫星服务的原有紧急SOS功能,宣称 卫星短信 应当成为所有高端智能手机的标配功能。
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