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What is the different between wifi and non-wifi ?

The difference between devices or technologies that have Wi-Fi capabilities (Wi-Fi) and those that do not (non-Wi-Fi). Let’s clarify this distinction:

Wi-Fi:

  1. Wireless Connectivity: Wi-Fi (short for “Wireless Fidelity“) is a technology that allows devices to connect to the internet or communicate with each other wirelessly over a local area network (LAN). It uses radio waves to transmit data between devices, such as laptops, smartphones, tablets, and smart home devices.
  2. Internet Access: Wi-Fi is commonly used to provide wireless internet access within homes, businesses, public places (like cafes and airports), and more. Devices with Wi-Fi capabilities can access the internet through Wi-Fi routers or access points.
  3. Standardized: Wi-Fi is standardized by the IEEE (Institute of Electrical and Electronics Engineers) under various specifications like 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac, and 802.11ax (Wi-Fi 6). Each generation offers improved speed, range, and performance.
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Non-Wi-Fi:

  1. Wired Connectivity: Non-Wi-Fi devices typically rely on wired connections to access the internet or communicate with other devices. Examples of non-Wi-Fi technologies include Ethernet, which uses physical cables for internet connectivity, and Bluetooth, which is primarily used for short-range wireless connections between devices (like headphones and smartphones) but doesn’t provide internet access on its own.
  2. Limited Wireless Capabilities: Some non-Wi-Fi devices might have limited wireless capabilities for specific purposes, like Near Field Communication (NFC) for contactless data exchange, Infrared (IR) for remote control, or Zigbee/Z-Wave for home automation. These technologies are designed for specific use cases and have different ranges and capabilities compared to Wi-Fi.
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In summary, the primary difference between Wi-Fi and non-Wi-Fi devices is their means of wireless communication and internet access. Wi-Fi devices can connect to the internet and communicate with other devices over Wi-Fi networks, while non-Wi-Fi devices rely on different wireless or wired technologies for their connectivity needs.

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