Wireless network technologies such as WiFi, ZigBee, and Bluetooth are fine
for consumer applications of the Internet of Things (IoT), but many civic,
industrial, and other IoT applications need to operate over vastly greater
territory than these technologies can handle. Cellular and satellite
machine-to-machine (M2M) technologies have traditionally filled the gap, but
cost, power, and scalability concerns make these choices less appealing for the
future. A number of low-power, wide-area networking (LP-WAN) alternatives have
arisen that need careful consideration by developers looking to address these
wide-ranging IoT applications.
The uses for wide-area IoT technology are legion. Civic infrastructure
systems such as parking resources, traffic control, utilities monitoring and
distribution control, and environmental monitoring are only a beginning.
Agricultural uses such as monitoring of crop conditions and livestock movements
need wide-area coverage. Asset monitoring and tracking, from taxicabs to
refrigerated produce shipments need regional, national, or even worldwide
coverage. Transportation infrastructures such as rail lines and roadways need
wide-area monitoring. Even consumer applications such as health monitoring could
benefit from having an alternative to cellphones for their wide-area
connectivity. More info
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