However GSM proved to be a very attractive technology for mobile communications and, since the launce in Europe, GSM has evolved to more or less a global standard.

• 作为世界上首批全自动蜂窝系统之一（它也可以实现国家间漫游），NMT系统在欧洲、亚洲和澳大利亚等国家也有应用。