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.
Costa Rica is relatively small - 19,700 square miles (51,100 sq. km), ranking it 129th in worldwide landmass. Costa Rica's size is commonly compared to the state of West Virgina (24,231 sq. mi., 62,758 sq. km) and the European state of Denmark (16,629 sq. mi., 43,069 sq. km).