Three's Pay As You Go Trio SIM has all SIM types on one card, so whether you need a standard, micro or nano SIM, you can just pop out the one you need. Comes with 3GB data preloaded, so you can catch up on the game highlights, Skype your gap year kids, play Angry Birds & tweet your heart out. Data valid up to 90 days then just top up & Pay As You Go. Use your data abroad at no extra cost. Being charged to use your data abroad is not great. With Three you can use it abroad at no extra cost in many * Go Roam destinations while on holiday, including USA, Australia, France & Spain. 4G at no extra cost. Paying extra for 4G sucks. We believe you should get fast internet at no extra cost. That is why Three offers 4G at no extra cost. All you need is a 4G tablet & be in a 4G area. * Previously called ' Feel at Home Destinations' 4G at no extra cost. Paying extra for 4G sucks. We believe you should get fast internet at no extra cost. That is why Three offers 4G at no extra cost. All you need is a 4G tablet & be in a 4G area. Find out more about Go Roam Destinations here.