Nikola Tesla worked on telecommunication technology in the US.
Nikola Tesla . In 1893 , he made pronouncements on the possibility of wireless communication with his devices . Wireless communication , or sometimes simply wireless , is the transfer of information or power between two or more points that are not connected by an electrical conductor . The term is commonly used in the telecommunications industry to refer to telecommunications systems ( e.g. radio transmitters and receivers , remote controls , etc. ) which use some form of energy ( e.g. radio waves , acoustic energy , ) to transfer information without the use of wires .