Do you need the CONNECTION to Interenet during your travel in Japan?

Yes, you need a SIM (Subscriber Identity Module card) for your gadget. There are two ways. You can get it in your country. You can contact your carrier of cell phone, smartphone or tablet. They may have a good option plan for usage in Japan. Other way, you can purchase it in Japan. Here is a list of vendors you can buy at various places. You can purchase SIM at airports and downtown.

Before you buy, please check your smartphon or tablet can handle a SIM designated for Japan. Please contact to your smartphon manufacturer and check the band.

You can buy it at airport or electrical big appliance stores but you can't expect at all internatinal airport. it is better to do some homework before departure.

Operator Period Price Amount of data Type location
ntt communications logo 7 days 2980 yen 100 MB/Day 3G/4G LTE Data only Airport or big electrical store
ntt communications logo 14 days 3500 yen 100 MB/Day 3G/4G LTE Data only Airport or big electrical store
So-net communications logo 30 days 3000 yen* 1 GB 3G/4G LTE Data only Airport or big electrical store
IIj communications logo 30 days 3800 yen* 1 GB 3G/4G LTE Data only Airport or big electrical store
bmobile communications logo 7 days 2400 yen* unlimited 3G (300kbps only) Data only Airport or big electrical store
bmobile communications logo 14 days 4000 yen* 3 GB 3G/4G LTE Data and 60 min talk Airport or big electrical store