Wireless networks use radio waves for communication from "summary" of Data Communications and Networking by Behrouz A. Forouzan
Wireless networks operate by sending and receiving data through radio waves. These radio waves are a form of electromagnetic radiation that transmit signals wirelessly. Unlike wired networks that use physical cables to transfer data, wireless networks use radio waves to communicate between devices. This allows for greater flexibility and mobility, as devices can connect to the network without being physically tethered to a specific location. The use of radio waves for communication in wireless networks is made possible by specialized hardware components such as wireless routers and network interface cards. These devices are equipped with antennas that can send and receive radio signals, allowing them to communicate with other devices on the network. When a device wants to send data over a wireless network, it converts the data into radio signals and transmits them through the air. Other devices on the network receive these signals, decode the data, and process it accordingly. One key advantage of using radio waves for communication in wireless networks is the ability to transmit data over long distances without the need for physical connections. This makes wireless networks ideal for situations where running cables is impractical or impossible. Additionally, radio waves can pass through walls and other obstacles, allowing for communication between devices in different rooms or even buildings. However, the use of radio waves for communication also comes with some limitations. Radio waves can be susceptible to interference from other electronic devices, leading to potential signal degradation or loss. Additionally, the range of a wireless network may be limited by factors such as the power of the transmitter and the presence of obstacles that block the radio waves.- The concept of wireless networks using radio waves for communication is a fundamental aspect of modern telecommunications. By harnessing the power of electromagnetic radiation, wireless networks are able to provide flexible, mobile, and convenient communication solutions for a wide range of applications.
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