What is a SIM card made out of?

SIM cards can also be used in satellite phones. The SIM circuit is part of the function of a Universal Integrated Circuit Card (UICC) physical smart card, which is usually made of PVC with embedded contacts and semiconductors. "SIM cards" are transferable between different mobile devices. read more

The SIM manufacturers are not supposed to make the chips without a contract from each carrier, so that the correct information is contained when shipped. Inside the SIM, there are one or more chips inside the package that conforms to the SIM design requirements. read more

A SIM card or subscriber identity module is basically a small computer chip housed in a sheet of plastic with conductive terminals. A 1FF SIM Card is the largest size (same size and shape as a credit card) but for cellphones and tablets, standard sizes are the mini, micro & nano SIM Cards. read more