NEW! Japan Travel SIM card: 7-30 Days | 10GB High-Speed 5G/4G | KDDI
Japan 5G/4G Travel SIM Card - 10GB High Speed Data | KDDI Network. 10GB High-Speed Data + Unlimited on KDDI's Premium Network. On KDDI's premium network with 98% coverage. KDDI (au) 5G/4G LTE. 10GB High Speed.