The ETravelSim Vatican City eSIM runs on Vodafone Italia, one of Italy's four major mobile operators alongside TIM, WindTre, and Iliad. Vodafone Italia has 99.9% population coverage and is independently noted for fast 5G speeds in Rome (averaging around 200 Mbps), with Vatican City benefiting from the same Rome-area infrastructure. For trips covering Vatican, Rome, and other Italian cities, Vodafone covers the routes most travelers actually take.