- Stay connected with unlimited data on your own mobile device - Enjoy blazing fast 4G LTE speeds - Free for incoming voice calls and incoming text messages - Choose different packages for trips of varying lengths with 1, 5, 10 and 30 day options - Pick up your SIM cards at any major airport in Korea when you arrive - While in [Incheon], don't miss out on [AREX Airport Express Train Ticket for Seoul] and [Northern Limit Line Disputed Border Day Tour]!