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As the transmitter the spark rated sportsman exciting electromagnetic oscillations in the antenna which Popov for the first time in the world used for a wireless communication served. To increase sensitivity of the device, A.S. Popov grounded one of conclusions of a coherer, and another attached to highly lifted piece of a wire, having created the first reception antenna for wireless communication. Grounding turns the carrying-out earth surface into part of an open oscillatory contour that increases range of reception.

And here to people helped radio (in translation from Latin radio means "to radiate", it has the general root and with other Latin words radius - "beam"). For transfer of the message without wires only the radio transmitter and the radio receiver which are connected among themselves by electromagnetic waves – the radio waves radiated by the transmitter and accepted by the receiver are necessary.