IoT is connection of devices over internet, where these smart devices communicate with each other , exchange data , perform some tasks without any human involvement.
These devices are embedded with electronics, software, network and sensors which help in communication.
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What is IoT Communications?
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Several technologies based on the IoT are Radio-frequency Identification (RFID), Near-Field Communication (NFC), and WSNs.
What is used for IoT communications?
Wi-Fi. Given its pervasiveness in home, commercial and industrial buildings, Wi-Fi is a frequently used IoT protocol.
It offers fast data transfer and is capable of processing large amounts of data.
Wi-Fi is particularly well suited within LAN environments, with short- to medium-range distances.