With an Apple iPad with 4G connectivity, you can connect to the internet anywhere. This connection is made via the mobile network, for which you have a data plan with your provider. The iPad with 4G, also called iPad Cellular, has a nano SIM card slot to insert your provider SIM. Some newer iPad models also have a possibility for digital SIM cards, also called eSIM. Are you on the go a lot, and outside wireless network range? It might be a good idea to go for an iPad with a SIM card.