{"meta":{"id":"https:\/\/api.iclient.ifeng.com\/ipadtestdoc?aid=ucms_7z7h0eS6hYc","type":"doc","o":"1","documentId":"ucms_7z7h0eS6hYc"},"body":{"newStatus":"1","documentId":"ucms_7z7h0eS6hYc","staticId":"ucms_7z7h0eS6hYc","title":"美国将全面关闭3G网络服务","shareTitle":"美国将全面关闭3G网络服务","thumbnail_doc":"","thumbnail":"","source":"","author":"","editorcode":"weMedia","editTime":"2020-08-21 19:49:04","updateTime":"2020\/08\/21 19:49:04","wapurl":"http:\/\/\/\/feng.ifeng.com\/c\/7z7h0eS6hYc","introduction":"","wwwurl":"http:\/\/\/\/feng.ifeng.com\/c\/7z7h0eS6hYc","commentsUrl":"ucms_7z7h0eS6hYc","commentCount":0,"text":"
DoNews 8月21日消息(记者 丁凡)据外媒报道,自2002年推出以来大约经历近20年时间后,美国市场即将开始正式告别3G技术。<\/p>
近日,美国所有大型无线网络运营商都准备在未来几年内关闭其3G网络。AT&T在一份声明中解释说:“为了更好地支持我们网络上的高数据使用量,我们正在淘汰3G网络,以提高下一代技术的容量。”<\/p>","img":[],"summary":"DoNews8月21日消息(记者丁凡)据外媒报道,自2002年推出以来大约经历近20年时间后,美国市场即将开始正式告别3G技术。近日,美国所有大型无线网络运营商","sharesummary":"DoNews8月21日消息(记者丁凡)据外媒报道,自2002年推出以来大约经历近20年时间后,美国市场即将开始正式告别3G技术。近日,美国所有大型无线网络运营商","commentType":"0","wemediaEAccountId":"1585817","showclient":"0","shareurl":"https:\/\/ishare.ifeng.com\/c\/s\/v002ETbJQ0UsG-_nFb9mqc0fB2FJ--wJKF1-_BUw6XalhpMrqQ__","praise":"0","like_num":"0"}}