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The GSM (which includes GPRS and EDGE) / 3G / 4G standards define the protocols for digital cellular networks used by mobile phones (and increasingly other devices) for transferring both voice and data.

These technologies can be useful in embedded systems in a wide range of end-applications, for example an industrial tracking device could incorporate a 3G module which allows it to send an SMS text message to a remote user when certain trigger events occur, or a local measuring device could send field data reports to a distant server. These technologies rely on good cellular network coverage in the area in which the remote device is to be deployed – there will inevitably be occasional black spots where there is no network coverage – and there are ongoing charges to the network operators.

Take a look at some of the projects CircuitWorx have integrated GSM capability into to give our clients the ability to remotely monitor and update their systems.