First radio

That’s the first radio 3D model that is the result of developments within electromagnetic waves and experimentation. So, in order to get the first radio 3D model many 3D individuals—inventors, engineers, developers, businessmen – worked hard. So, they contributed to produce the modern idea of 3D radio and thus the origins and 'invention' are multiple and controversial. The only thing, we know for sure is that the first radio 3D could not transmit sound or speech and was called the "wireless telegraph".