Depicts a youthful portrayal of Guglielmo Marconi seated beside a radio transmitter, symbolizing his pioneering work in developing wireless communication. Below him are sound waves and Marconi's handwritten signature. The dates "1874-2024" mark his birth and the coin's issuance year, respectively. The top arch bears the inscription "Italian Republic," while the designer's name, "U.PERNAZZA," is on the left.

In the forefront, there's a stylized graphic representation featuring elements symbolizing radio broadcasts: a microphone, headphones, and sound waves, with the globe in the background. Encircling the design is the inscription "RADIO RAI 100th • FROM MARCONI TO DIGITAL," framed by the colors of the Italian flag. Below, on the left, are the acronyms "URI•EIAR•RAI," denoting the Italian Radio and Television entities throughout the years, along with "1924•2024," marking the date of the first Italian radio broadcast and the year of the coin's release. At the bottom, the coin's value is indicated as "FIVE EURO," accompanied by "R," representing the Mint of Rome.