Explore Greece while staying connected with your friends and family by purchasing this 4G SIM card from AIS, one of the three main mobile operators in Thailand. Simply book the SIM card through Klook, then show your voucher at the AIRPORTEL counter in Suvarnabhumi Airport (BKK,) and you're good to go! Go online the moment you land at your destination with the simple activation procedure, and you'll enjoy unlimited 4G data valid for 15 days, perfect for sending those holiday snaps, looking at maps for directions, and staying on top of your emails. You'll also stay connected as you travel across borders with the SIM card's multi-country coverage, valid in up to 40 countries.