Experience smooth connectivity during your visit to Japan with a local SIM card. Enjoy 4G mobile data, and get access to Japan’s best WiFi network coverage from NTT Docomo for free. Choose from a range of SIM card options depending on your length of stay and preferences in terms of mobile data allowance. You may opt for 1 GB data valid for six days, or 3 GB and unlimited data that are both valid for eight days.