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.
This is slightly smaller than the U.S. state of Massachusetts. El Salvador has 590 km of borders, including 391 km of borders with Honduras and 199 km with Guatemala.l Salvador is the smallest Central American country and is the only one without a coastline on the Caribbean sea.