Complex sentence: The RTÉ NL DAB MUX (multiplex) on channel 12C-227.360 MHz has 54% population coverage and is available in Cork and Limerick cities and the greater Dublin area.
Split into simpler sentences: The RTÉ NL DAB MUX (multiplex) on channel 12C-227.360 MHz covers 54% of the population. It is available in Cork and Limerick cities and in the greater Dublin area.