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| source: Ericsson |
The installed base of wireless Internet of Things (IoT) devices in industrial automation reached 14.3 million in 2015, according to Berg Insight.
The number of wireless IoT devices in automation networks will grow at a compound annual growth rate of 27.7 percent to reach 62.0 million by 2021, powered by a number of wireless networks, including Wi-Fi and Bluetooth, the most widespread technologies in factory automation.
Mobile networks more typically are used for remote monitoring and backhaul communication between plants, Berg Insight says. It is highly possible that a great percentage--perhaps a preponderant majority--of IoT connections actually will use Wi-Fi or Bluetooth connections, not LoRa or mobile connections, through 2021.
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