| 摘要 |
The invention relates to a hands-free device (6) comprising an auxiliary function for a mobile telephone (1), which is located in a telephone carrier. Said auxiliary function has at least one positioning system (5), preferably a GPS, for determining positional data, one NMEA interface (4) and at least one antenna for transmitting/receiving satellite and/or radio signals, in addition to an ATC interface (3) for remotely controlling the mobile telephone (1). The invention also relates to a method for operating a hands-free device (6) comprising an auxiliary function for a mobile telephone (1), which is located in a telephone carrier. According to said method, positional data at least is received and made available via an antenna and the positional data is automatically transmitted to a defined destination via an ATC interface (3) of the hands-free device (6) by means of the mobile telephone (1), preferably the short message service (SMS). The ATC interface (3) is controlled by a command, preferably an NMEA command (14). |
