Free-to-air DVB-T trials began in late 2006 with a simulcast of both TV1 and TV2 plus a new channel called RTM3/RTMi.
As transmisión de proba de DVB-T en aberto empezaron a finais de 2006 coa transmisión simultánea de TV1 e TV2, ademais dunha nova canle chamada RTM3/RTMi.