新闻/AST SpaceMobile: AT&T and AST SpaceMobile Achieve Handoff Between Ground-Based Cellular Network and Direct-to-Device Satellite Network…亮点AST SpaceMobile: AT&T and AST SpaceMobile Achieve Handoff Between Ground-Based Cellular Network and Direct-to-Device Satellite Network >ASTSNOKIAERIC_ATASTS这条新闻只显示标题,没有其他正文。Dow Jones Newswires美国股票© 2026 Dow Jones & Company, Inc. All rights reserved.显示更多