Слайд 2

1) a way of information transfer on distance by means of

1) a way of information transfer on distance by means of

radio waves. 2) The area of science and equipment connected with studying of the physical phenomena which are the cornerstone of this way and its practical use.
Слайд 3

radio communication the kind of electric communication which is carried out

radio communication

the kind of electric communication which is carried out by

means of radio waves. For the organization of a radio communication in point from which transmission of messages (broadcast) is conducted, place the radio-transmitting device containing a radio transmitter and the transferring antenna, and in point in which reception of messages (radio reception) – the radio-receiving device containing the reception antenna and the radio receiver is conducted.