Somewhat less common methods of achieving wireless communications involve other electromagnetic phenomena, such as light and magnetic or electric fields, or the use of sound. The term wireless has been used twice in communications history, with slightly different meanings.
Wireless communications, System using radio-frequency, infrared, microwave, or other types of electromagnetic or acoustic waves in place of wires, cables, or fibre optics to transmit signals or data. Wireless devices include cell phones, two-way radios, remote garage-door openers, television remote.
In this definition of wireless communications, explore the history, evolution and future of wireless technology and the different types of wireless networks.
To connect your portable or desktop device to your wireless network, it must have a wireless network adapter. Most laptops and tablets—and some desktops—come with a wireless network adapter already installed.
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Wireless networks, commonly known as Wi-Fi networks, use one of the IEEE 802.11 standards for wireless communication. Today, wireless routers that offer Wi-Fi have become common in most homes as a way for computers, smartphones, tablets, and other wireless devices to connect to the Internet.
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Wireless describes any technology that sends data without a physical cable. In computing, the term usually refers to a device's ability to connect to networks, accessories, or other hardware without wires.