High Quality Content by WIKIPEDIA articles! The age of radio communication began with the development of wireless telegraphy around 1900, in which Morse code could be transmitted over large distances using simple spark gap or carbon arc transmitting equipment, and various types of detectors for reception. Guglielmo Marconi achieved international fame in 1901 when he succeeded in sending a simple message in Morse code - the letter "s" - across the Atlantic from Cornwall in England to Newfoundland.