WI-FI 101Wi-Fi is a radio technolog

WI-FI 101
Wi-Fi is a radio technology that works via a chip that contains a transmitter, receiver, and one or more antennas.
NCR Corp. developed an early Wi-Fi-like approach in the mid-1980s as a wireless alternative to wireline network technologies such as Ethernet.
IEEE released the first Wi-Fi standard in 1997 and has since adopted 802.11a, b, g, and n versions. 802.11n, approved in 2009, operates in the 2.4- and 5-GHz frequency bands and offers a theoretical maximum throughput of 150 Mbits per second per data stream.
Although IEEE 802.11n was released more than two years ago, Wi-Fi equipment has not advanced enough to use all of the approach’s capabilities.