ETSI PRETS 300 326-2-1998 电磁兼容性和无线频谱物质(ERM).全球飞行通信系统(TFTS).第2部分:语音业务,无线电接口(第2版)
Electromagnetic Compatibility and Radio Spectrum Matters (ERM); Terrestrial Flight Telecommunications System (TFTS); Part 2: Speech Services, Radio Interface Second Edition