Definition: 4G

(4th Generation) The fourth version of a product or system. For example, the cellular technology that is commonly deployed is in its fourth generation, although 5G is the latest and 6G is forthcoming. In 2010, the ITU officially designated LTE, WiMAX and HSPA+ as 4G technologies. See 5G, 6G, LTE, WiMAX, HSPA and cellular generations.