What is "wireless fidelity" (Wi-Fi)?

What is "wireless fidelity" (Wi-Fi)?

TJ McClearin (Business Manager, Infinity Wireless, LLC) gives expert video advice on: What is "bandwidth"?; What is "broadband"?; What is "roaming"? and more...

Wi-Fi is basically a wireless networking technology that's used in homes and offices to allow people that have devices with Wi-Fi receivers to transmit data over a network. As far as mobile devices are concerned, what they're doing is using the Wi-Fi to complete telephone calls, by transmitting the same packets that would be sent over a larger network inside the smaller Wi-Fi network and that can be faster and more efficient.