Internet access free of charge from the app. SBB FreeSurf is available on all SBB long-distance trains (IC and IR). SBB FreeSurf is based on the excellent mobile phone coverage along the Swiss rail routes – passengers can benefit from a faster and smoother internet connection with more bandwidth than you get with conventional train Wi-Fi. Customers with a digitec, Quickline, Salt (Das Abo, GoMo, Lidl Connect are included), Sunrise or Swisscom mobile phone contract can surf the internet for free