The Wi-Fi Alliance defines Wi-Fi as any wireless local area network (WLAN) product based on the Institute of Electrical and Electronics Engineers ' (IEEE) 802.11 standards.However, the term Wi-Fi is used in general English as a synonym for  WLAN  since most modern WLANs are based on these standards.hese can connect to a network resource such as the Internet via a wireless network access point. Such an access point (or hotspot) has a range of about 20 meters (66 feet) indoors and a greater range outdoors.
The time when fall starts is between summer and winter. As with the other seasons, its commencement differs and is based on the hemisphere you are in. Commencement Dates. In astronomical terms the season begins on September 22 up to November 22 in the Northern Hemisphere.
The autumnal equinox occurs on September 22 or 23, and the season continues until the winter solstice on December 21 or 22. The winter solstice has the longest night and the shortest amount of daylight of the year. Autumn is also known as fall because it is the season in which leaves fall from deciduous trees.