Will I have a signal on Spain's high-speed trains with SouthESIM?

When zipping across Spain on high-speed trains like Renfe or Iryo, you can generally expect good signal coverage with SouthESIM for most of your journey. Spain boasts an impressive network infrastructure, so you'll likely enjoy a stable 4G/LTE signal for streaming, browsing, and staying connected as you travel between cities like Madrid and Seville. However, it's common for signals to temporarily drop when trains pass through long tunnels or very remote, mountainous areas. For the most part, you'll be well-connected to enjoy the scenic ride!