There are a large number of wireless protocols being used in IoT devices, including Wi-Fi, classic Bluetooth,Bluetooth Low Energy (LE), Zigbee, Thread, and cellular. The choice of wireless communication protocols fora particular device depends upon the application, size, cost, power, and several other factors. For example,Bluetooth LE is a good choice for short range, low throughput communication because it doesn’t consume much power and it is lower in cost than some other protocols.
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