GSM - or Global System for Mobile Communications - is a mobile network that is used worldwide, unlike CDMA which is used mainly in the US. It is the most popular cell phone technology and it is much easier to swap between phones on GSM networks as your information is stored on a SIM card.

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What providers do you compare? We compare mobile deals from all the top providers in Ireland, and you can find the right plan at the click of a button. What deals do you compare? We compare SIM-only deals and bill pay phones, so whether you’re looking to keep your current phone or get a brand new one, we’ve got it covered.

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