M2M (Machine-to-Machine) refers to the combination of machine connectivity, communications, and information technology needed to connect machines or assets to applications. By allowing devices or sensors to communicate with a central server, over a network, M2M is a tool to improve business processes, monitor business assets, and/or generate new revenue.

M2M provides benefits to many applications, such as asset monitoring, traffic management, industrial processes monitoring, utilities, transport, retail and security.
M2M can be provided through either fixed line or wireless connectivity, and is used for both fixed and mobile devices. Given the requirements of business applications, M2M connectivity is usually provided over public wireless networks (GSM/GPRS, EDGE, UMTS and satellite).

M2M solutions usually contain the following components:

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