GSM and GPRS Modems have a variety of applications including remote monitoring, data collection and remote access.
A GSM modem works in the same way as a standard land line modem, however the 'line' is provided by a wireless GSM connection. The GSM functions of the modem are controlled by an extension to the standard Hayes AT Command set.
GPRS features allow a device to be accessed via an IP address or to send data to an IP address. The ETM9500 with in-built microprocessor allows data or alerts collected from a device to then to be sent out of a carriers (Telstra, Optus, Vodafone) GPRS VPN to a web site to an SMS or to an email.
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