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The 802.11a/b/g/n/ac wireless LAN protocol is a type of local area networks (LAN) used for data communication, which includes a variety of wireless technologies and functions for transmission of data between two points. It provides high-speed, high-security, and secure wireless LAN services for residential and commercial users alike. It is often used in home networks, in office networks, in educational institutions, and in enterprise networks. It is capable of providing up to 150 megabit per second of data speed, and up to 900 megabit per second of data rate.

Application Field and Working Principle

One of the most common uses of 802.11 protocol is for establishing wireless local area networks (WLANs). This kind of network makes it possible to connect multiple devices to the same network without the need of any cables or wires. It is based on the IEEE 802.11 standard, which defines the physical layer, data link layer, and the media access control layer of the network.

The application of 802.11 wireless LAN protocol includes its deployment in residential, commercial, and enterprise applications. It is commonly used for the connection of handheld devices, such as laptops, notebooks, and smartphones, to the Internet or to a local area network. It is also used for peer-to-peer networking and distance learning education.

The working principle behind the 802.11 protocol is through use of radio waves to communicate between the various devices in a wireless network. It is based on the 802.11 standard of the IEEE, which describes how the radio waves should be transmitted, and how the radio wave energy is converted into data by the various devices.

In order for a connection to be established between two devices, they must be within range of each other. This is done by both devices using the same frequency range for the radio waves, and by using a specific data rate. The data rate is determined by the availability of the wireless network and the speed of the connection.

The data that is transferred between two devices on a wireless network is encrypted using a technique called Wired Equivalent Privacy (WEP). This encryption is used to ensure the security of the data that is transmitted between the two devices. This is an important feature of the 802.11 protocol, as it ensures that any sensitive information that is being sent over the network is private and secure.

The 802.11 protocol has been successful in providing a fast and reliable connection for both residential and commercial users alike. This is thanks to its security, reliability, and ease of use, which has made it one of the most commonly used wireless protocols. It is a great choice for a wide variety of applications, and is one of the most widely used forms of LAN in the world today.

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