Short Answer: A lot. Long Answer: 5GB of 4G data which you can use within the Republic of Ireland. and when Roaming in the EU. Data usage over 5GB will be charged at 1c per MB. 500 minutes of calls that you can use within the Republic of Ireland to call any national mobile or landline or when Roaming in the EU to call other EU mobile or landline numbers. 500 texts that you can use within the Republic of Ireland to text any national mobile or when Roaming in the EU to text other EU mobiles. After these limits, customers will be charged per unit at standard rates.