说明：  是3GPP中GSM最重要的标准,业内简称GSM0505. 这个标准详细规定了GSM发射与接收技术,其中GMSK,8-PSK,BS、MS各种射频性能指标都是在05系列文档中成为行业标准的. 虽是英文，但内容都狠简单，仔细阅读会对理解GSM物理层标准有很大帮助，是无线通信行业人员的必备文档。
(GSM is the most important in the 3GPP standards, the industry referred to as GSM0505. This standard details the launch and receiving GSM technology, which GMSK ,8-PSK, BS, MS a variety of RF performance indicators are in the 05 series of documents to become the industry standard . Although it is in English, but the contents are hard simple read on understanding of GSM physical layer standards are very helpful, the wireless communications industry personnel necessary documents.)