Security and Surveillance
M2M can provide a back up system in case a landline is cut or even be a primary connection. Should would be perpetrator be sophisticated enough to jam any radio systems, GPRS units can even recognise that they are being jammed and send through emergency signals to your site.
There is now an increased use of CCTV cameras sending data over GPRS. This can be as simple as a jpeg generated on the fly and sent by email to streaming video live using sophisticated compression techniques.