美国客运航空公司近日提交文件称，为适应扩展的5G频谱而更换飞机无线电高度计的总成本可能超过20亿美元。这一巨额支出凸显了航空业在5G技术推广过程中面临的基础设施升级挑战。
航空公司表示，现有高度计设备与新型5G频段存在潜在信号干扰风险，必须进行系统性更换才能确保飞行安全。该成本估算涵盖了美国主要航空公司的机队改装需求，包括美国航空、达美航空和西南航空等运营商。
行业观察人士指出，这项意外支出将给尚未完全从疫情中恢复的航空业带来额外财务压力。与此同时，电信运营商AT&T和Verizon正在积极推进5G网络部署，航空与通信两大产业的技术协调问题亟待解决。
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