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Connectivity technologies are the backbone of the Internet of Things (IoT), enabling devices to communicate, share data, and interact with each other. These technologies have evolved significantly over the years, offering a wide range of options depending on the requirements of the application, such as distance, power consumption, speed, and data volume. In the context of IoT, connectivity is crucial because it enables the seamless exchange of data, driving the smart functionality of devices, from smart homes to industrial automation systems. There are several types of connectivity technologies used in IoT, categorized based on range, power requirements, and communication protocols. These include wireless technologies, cellular networks, and wired protocols. Below is an in-depth look at each category: 1. Short-Range Wireless Technologies These technologies are widely used for IoT applications due to their low power consumption and efficient data transmission capabilities over short distances. Common short-range wireless technologies include Bluetooth, Zigbee, and Wi-Fi. * Bluetooth: Bluetooth technology, particularly Bluetooth Low Energy (BLE), is one of the most popular IoT connectivity standards for short-range communication. BLE is designed to consume very little power, making it ideal for devices that need to operate on small batteries for extended periods. It operates in the 2.4 GHz ISM band, and its range typically extends up to 100 meters in open spaces. BLE is widely used in personal area networks (PANs) and is commonly found in fitness trackers, smartwatches, and home automation systems. * Zigbee: Zigbee ____ _____ _____ ___ _____ ________ ________.
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