Rete Tre ist die dritte italienischsprachigen Radiosender aus italienischen Westschweizer Radio (CSR), bei jüngeren Hörern Rundfunk beliebt und alternative Musik ausgerichtet. Es wurde am 00.03 am 1. Januar 1988 gegründet und ist über FM zur Verfügung vor allem in der italienischsprachigen Kantonen Tessin und Graubünden.
RSI Rete Tre is the third Italian-language radio station from Radiotelevisione svizzera di lingua italiana (RSI), aimed at younger listeners broadcasting popular and alternative music. It was launched at 00:03 on 1 January 1988 and is available via FM mainly in the Italian-speaking cantons of Ticino and Graubünden. From 15 October 2009, its range was extended to major cities in German-speaking areas of Switzerland with the implementation of a number of DAB+ digital relays
On 1 January 2008, a party was held in the city centre of Lugano, beginning at 0:03, to celebrate the twentieth anniversary of the station, with a special song "We Are Rete Tre" (cover of the more famous "We Are the World").In 2008, in Lugano, a large demonstration was organised for the twentieth anniversary of the station.During Radioday 2010, RSI Rete Tre was awarded the title of "Swiss Radio of the Year", an award it previously won in 2008.