using your home carrier abroad
何ですか？ international roaming?
A service offered by mobile carriers that lets your home phone number work in foreign countries, by routing through partner networks. Typically costs $10–25 per gigabyte for non-EU travelers.
どうやって international roaming travel.toの問題?
Roaming is the most expensive way to use data abroad. An eSIM from a dedicated provider like travel.to typically costs an order of magnitude less per gigabyte — without surprising bills at the end of the month.
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