I was thinking about buying a Cellular Module for a project. For some reason, I thought that the module’s product page used to say something about requiring a SIM card or something in order for it to work. Now, when I look at the product page, I don’t see any mention of a SIM card. So, I guess I’m wondering, if a buy a Cellular module, what do I have to do to connect it to a cellular network? Anything? I would guess that I need some sort of cellular service provider in order to for the module to connect to their network, but I’m not sure.
Sorry if this is obvious, but I was hoping someone could explain how this works before I buy the module.