The ETravelSim Netherlands eSIM works on NS Intercity trains across all main lines including the Schiphol Airport to Amsterdam Centraal route with continuous 4G/5G coverage during the 15-minute journey. Routes between Amsterdam, Rotterdam, The Hague, Utrecht, and Eindhoven stay connected with 5G in major cities and 4G on connecting stretches. Brief drops are normal in deeper rail tunnels but signal returns within seconds. The NS Reisplanner Xtra app, OVpay contactless system, and 9292 work fluidly throughout for live platform changes, ticket QR codes, and connection updates.