Wireless technology has evolved rapidly, and is playing an increasing role in the lives of people throughout the world. Today, all organizations, whether small or big, rely heavily on electronic communication and data transfer. With the advent of Wireless Fidelity (Wi-Fi), many network users have received tremendous benefit from its capabilities. Wi-Fi is an emerging technology that has shown signs of incredible growth in the past few years. The prospects for continued growth are also substantial for the coming years. Both business and consumers have adopted Wi-Fi for a variety of reasons like speed, cost savings, convenience, etc. In India, the majority of organizations that have Wireless Local Area Networks in place belong to the hospitality and travel industry.

The wireless industry has evolved phenomenally over the past few years. Wireless transmission has now become a common method of data communication for cellular phones, wireless Personal Digital Assistants (PDAs) and wireless Local Area Networks (LANs). Wireless Fidelity (Wi-Fi) is the latest option for Internet connection, and has rapidly become the most popular standard for wireless LANs in the workplace, public places and homes. Its purpose directly serves users looking for internet access devoid of any cords or wires. Wi-Fi was intended to be used for mobile computing devices, such as laptops in LANs, but is now often used for more applications, including Internet access, gaming and basic connectivity of consumer electronics. While many people might be familiar with the term Wi-Fi, far fewer know the technical details.

Wireless Fidelity, more commonly known as Wi-Fi is an International standard from the Institute of Electrical and Electronics Engineers (IEEE) for Wireless Local Area Networks (WLANs). Wi-Fi is a set of standards for transmitting data over wireless networks. It uses radio technologies to provide secure, fast and reliable wireless connectivity. Wi-Fi networks operate in the unlicensed 2.4 GHz and 5 GHz radio bands, with an 11 Mbps or 54 Mbps data rate. It also works with products that contain both bands (dual band). Even though the connection speed may vary, the network remains stable and reliable. Wi-Fi is presently the most dominant Wireless Local Area Network (WLAN).

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