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How good is the network coverage?

Pocket WiFi

Our Pocket WiFi models offer robust coverage across Japan, reaching 99% of the population through the SoftBank network. This means you'll typically have reliable connectivity anywhere you travel within the country.
Do bear in mind, though, that in exceptionally remote areas with sparse populations, coverage might be limited.
For more comprehensive information, you can check out our Service Area page.

Japan Prepaid SIM Card

Our SIM card utilizes the NTT Docomo network, the most trusted and extensive network in Japan covering over 99% of the country's population. It provides coverage in all cities, towns, villages, and even extends into many rural areas. For network coverage, our SIM card stands out as one of the best mobile data products available.