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Global System for Mobile Communication (GSM) is a standard used in cellular communication networks. Amongst all cell technologies in use nowadays, GSM is one of the most widespread.
GSM modules offer connectivity along with wireless data communication transfer. These devices are light and easy to use as well as having a surprisingly low power consumption for the amount of work they can do. They can be used for tracking communication projects, linking together a remote site monitoring system with your LAN, as well as many other applications.
A GSM module is a specialized type of device which accepts a SIM card, and operates over a subscription to a mobile operator, just like a cell phone or pager. From the mobile operator perspective, a GSM modem looks just like a phone. The difference between a cell phone and a module being the flexibility in applications.
Cellular connections can be a quick and efficient way to get started with SMS notifications in network monitoring solutions because a special subscription to a separate service provider is not required. In most parts of the world, GSM modules are a cost-effective solution for sending and receiving alarm notifications since the utilization of existing networks instead of having to expand your infrastructure to include hardware that allows direct connections with your remote sites.
The NetGuardian 216 G3 optional GPRS/GSM or CDMA wireless modem, allowing you to report alarms from your remote sites without LAN or dialup connections via SMS notifications over a cellular band. This allows you to take your alarm monitoring outside of your network and have the flexibility to report to a central location such as a T/Mon Master Station.
This new NetGuardian 216 G3 can also quadruple the analog inputs of its predecessor. Now that you can choose up to 8 analogs, you can monitor temperature, humidity, battery voltages, fuel levels, and other critical values from a single compact RTU.
The other major feature of the G3 that's superior to the G2 is standard web browser access, which offers intuitive monitoring for technicians without extensive training. This is the client-favorite web interface that's become a standard part of modern DPS remotes. Your techs simply type the IP address of the NetGuardian into their web browser and log in. They'll have access to all current alarms, real-time analog values, and a handy editing interface for adjusting RTU settings.