The NexSens 3100-iSIC Cellular Modem supports cellular communication between a remote monitoring site and a computer base station. It incorporates a NexSens iSIC that controls the cellular modem and monitoring instruments on the communication network.

NexSens offers cellular modems for Sprint/Nextel, AT&T/Cingular, and Verizon. Before choosing a cellular service provider, confirm that coverage is available at the site with a cell phone. The best method is to test the location with a cellular phone to make sure calls may be sent and received.

Shown below is an example site:

3100-iSIC Typical Site

Figure 1: 3100-iSIC Typical Site

The above system consists of the following components:

1. Internet Connection
2. PC running iChart Software
3. A49 High Gain Antenna, Cellular Frequency
4. A22 Solar Panel, 20-Watt
5. 3100-iSIC Data logger
6. Sensor Cable
7. Environmental Sensor

A computer running iChart software will have a configuration file, called an ICR on it. This file is created in iChart and holds information such as which data loggers are used, and which sensors are connected to that data logger. With this ICR file, data can be uploaded and processed from the data logger.



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