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. Wi-Fi is a trademark of the Wi-Fi Alliance.
LOCATION AND SIZE. Located in Central America at the southern tip of Mexico between the Caribbean Sea and the Pacific Ocean, Guatemala has a total area of 108,890 square kilometers (42,042 square miles), slightly smaller than that of the state of Tennessee.
Rhode Island's total area is only 1545 square miles and 500 of that is water. It's ironic then, that Rhode Island's status as the smallest of the states has led to its being used as a standard unit of measure for things that are really big. Following are some items that have been measured in units of Rhode Island.