Each of the $200 WiFi nodes includes a specialized control mechanism that manages power consumption and can exercise "elegant degredation" to decrease the extent of coverage and reduce accessibility when the battery lacks energy. For instance, when weather conditions are such that the WiFi nodes have limited energy, the nodes could automatically limit access so that connectivity is available only to teachers and students. Green WiFi co-founder Marc Pomerleau comments, "What we bring to the table is an intelligent charge-controller. We put the router on a diet." (source)
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