MNOs use a IMEI numbers to identify and verify devices that are trying to connect to their network.

Mobile Network Operators (MNOs) use a SIM card’s ICCID number to determine whether it can connect to their network.

An IMSI is used by Mobile Network Operators (MNOs) to identify the subscriber element of a SIM profile.

IoT stands for ‘Internet of Things’. It’s used to describe the network of objects, or “things”, that connect to one another.

M2M stands for Machine to Machine communication and it is the direct connection between two or more devices.