2026旅行接続の決定版ガイド。
主なポイント
- 旅行eSIM:ほとんどに理想的。
- ローミング:緊急使用のみ。
- ローカルSIM:安いが手間。
- 公共Wi-Fi:無料だが限定。
- ポケットWiFi:グループ/家族用。
結論
eSIM+無料Wi-Fiが最良のコスト/便利性。
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