What Does Machine to Machine (M2M) Mean?

Machine to Machine (M2M) refers to a wireless or wired network setup that allows devices of the same type and ability to communicate freely.

Techopedia Explains Machine to Machine (M2M)

M2M technologies typically use sensors to capture data that is fed through networks, providing critical input to various types of machines that perform different tasks. Although a broad term, M2M usually refers to the use of these distributed systems to control industrial or manufacturing equipment. One such system is telemetry, which uses radio waves to facilitate this type of communication between devices.