Travelers on Japan's Shinkansen bullet train can generally expect excellent signal with EastESIM. Our partnerships with premier Japanese carriers like NTT Docomo and SoftBank provide extensive 4G/LTE and often 5G coverage along the major Shinkansen routes, such as between Tokyo and Kyoto. While there might be very brief, intermittent drops when passing through long tunnels or extremely remote mountainous sections, for the vast majority of your journey, you'll be able to browse, stream, and stay connected at high speeds. Enjoy the scenic views while staying perfectly online!
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Will I have signal on the Japan Shinkansen bullet train with EastESIM?
Updated April 22, 2026
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