M2M is a term introduced by

M2M, or Machine-to-Machine, is a term that refers to the direct communication between devices using any communications channel, including wired and wireless. This concept is a cornerstone of the Internet of Things (IoT), enabling networked devices to exchange information and perform actions without the manual assistance of humans. M2M communication is widely used in various industries for monitoring and controlling purposes, such as in manufacturing equipment, smart meters, medical devices, and in automotive and transportation systems for telematics and fleet management.