The word radio is an abbreviation of 'radiotelegraphy'.

In the beginning, radio was used only for sending messages in morse code in boats. This use of radio is still maintained for security reasons. Soon, the technique evolved in such a way that speech and music could be transmitted. A large part of the network has always been involved with security. Think of the police, the army and all the rescue organizations. The radio is essental to the organization and good running of community life.

To be able to undertake great actions in a given time, radio contact is necessity. The telephone (which is a radio contact) enables you to reach another part of the world very quickly.

The 'radio' for the public is also the means of getting amusement and information. the official radio stations have been joined by private local or regional ones, and are very numerous. They try to offer the listeners as varied a choice of programmers as possible news, sport, games, reports, concerts, religious services, schools programmes. In this way an individual can recive information or pleasure from one source which he would never get by any other means.