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Will my HotelESIM provide a signal while I'm on scenic Swiss trains, like the Glacier Express or Bernina Express?

Updated April 22, 2026

Yes, you can generally expect a strong and stable 4G/5G signal for the majority of your journey on Switzerland's iconic scenic trains, such as the Glacier Express or Bernina Express. These routes are celebrated for their breathtaking views, and our network partners ensure extensive coverage. However, please be aware that as these trains traverse numerous long tunnels or particularly remote mountain passes, there might be brief, intermittent signal drops. For the most part, you'll be able to share your stunning views and stay connected throughout your memorable train adventure.

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