Complex sentence: RTÉ Raidió na Gaeltachta (Gaeltacht radio) has gone beyond its original brief, covering not only the Gaeltacht but national and international issues and is broadcast throughout the Republic of Ireland on FM radio and to a lot of parts of Northern Ireland.
Split into simpler sentences: RTÉ Raidió na Gaeltachta (Gaeltacht radio) has gone beyond its original brief, covering not only the Gaeltacht but national and international issues. It broadcasts throughout the Republic of Ireland on FM radio and to many of Northern Ireland.