Vodafone has become the first telecoms operator in the country to launch a 5G network.
It is going live in Dublin, Cork, Limerick, Galway and Waterford today.
There are plans for further expansion over the coming months.
We're delighted to be the first mobile operator in Ireland to launch its next generation 5G network #ThisIsVodafone5G pic.twitter.com/4lTrfaoMc1
— Vodafone Ireland (@VodafoneIreland) August 13, 2019
The company says 5G will have a huge impact on tech in nearly every industry.
It's capable of much faster downloads than 4G and 3G technology and can manage larger volumes of data.
You will need a 5G ready plan, 5G coverage and a 5G phone to connect to the Vodafone 5G network.