| 释义 |
{{Unreferenced stub|auto=yes|date=December 2009}}{{For|the Malaysian DTV channel|RTMi}}{{For|video game|Return to Mysterious Island}} RTMI (Radio Telefono Mobile Integrato) was the first mobile communication service in Italy, started in 1973. It operated on the 160 MHz frequency band and was used by a few people working in the public sector (public administrations and defense officials). In the 1980s, the Radio Telephone Mobile (RTM) emerged, which operated on the 450 MHz frequency band and attracted 100,000 customers. {{DEFAULTSORT:Rtmi}}{{Wireless-stub}} 1 : Mobile technology |