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In the modern age, a large number of organizations rely on the wireless technology for their everyday operations. Wireless technology is the modern equivalent of the conventional wired technology which connects two nodes together and facilitates communication. The technology plays an important role in the functioning of various organizations. Wireless application field such as Wi-Fi, WiMAX, Bluetooth, Wireless Sensor Network (WSN) etc., are some of the widely used wireless technologies.

Wireless communication has become a part of the essential infrastructure of the modern day world and is widely used in computing, healthcare, educational systems, public safety, military and many more. The demand for wireless communication is increasing in light of the demands of modern society and the need for faster and more reliable connections. Wired technology has been replaced by wireless technology due to significant advantages such as easy installation, flexibility, low cost, low power consumption, enhanced user experience, and security.

Among the wireless application, Wi-Fi or Wireless Fidelity is a form of radio communication and a protocol for wireless local area networking. It is defined by the Institute of Electrical and Electronics Engineers (IEEE) as a set of standards for wireless communications that allow a wide range of devices to communicate with each other in a manner similar to the one used for wired communication. The Wi-Fi application allows users to connect to the Internet wirelessly and access data with greater mobility and flexibility. To operate, two types of hardware are required—a wireless access point (AP) and a wireless card, which is the actual device used to connect to the network.

WiMAX, which stands for Worldwide Interoperability for Microwave Access, is a telecommunications protocol designed for wireless transmission of information over a wide area. It is designed to transmit data between two WiMAX-capable devices at a greater range than a typical Wi-Fi network. It is a major advance in terms of high speed, high availability and low latency for wireless broadband. WiMAX is widely used for IP telephony, video conferencing, mobile broadband access, and more.

Bluetooth is a low-power, short-range wireless protocol which provides short-distance data transmission between two Bluetooth-enabled devices. It is the most widely applied wireless technology in existence. It was designed to be used in a wide range of consumer electronics such as hands-free headsets, PCs, and other mobile devices. It is also used for connection between some Bluetooth-enabled peripherals, such as keyboards and joysticks. Bluetooth technology employs a master/slave principle, whereby the slave device receives commands from the master to send or receive data.

Wireless Sensor Network (WSN) is a special type of ad hoc wireless networks that consist of small sensor devices, often called nodes. WSN is used to monitor physical conditions, such as temperature, humidity, sound, vibration, movement, etc., and process this information in a distributed manner. The nodes in a WSN are usually simple and inexpensive devices that communicate wirelessly with a base station. The nodes collect the data produced by the sensors, transmit it to the base station and the base station can often process the data. WSNs are especially useful in industrial, military and health care applications, where monitoring of large amounts of data is critical.

Wireless communication technology is becoming more and more advanced every day. Wireless applications are being developed for a wide variety of applications in the modern world. Wireless technology is becoming a major factor in the success of various industries and organizations. Wireless technology is helping organizations to deliver higher productivity, improved service, faster connection speeds, and higher security.

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