Broadcasting in Italian, it is receivable via DAB, cable, and satellite (Tivùsat and Hot Bird).
Until 31 June 2008 (when SRG SSR ceased broadcasting on the 558 kHz medium-wave frequency) it could also be received in large areas of northern and central Italy.
The station identifies itself on-air as "Radio Svizzera - Rete Uno".
The director of RSI Rete Uno is Edy Salmina.
Previously, RSI Rete Uno's FM network covered the whole of Switzerland as well as southern Germany.