The 3G is up to standard IMT-2000. His first commercial release was in 2001 by NTT DoCoMo in Japan. The 3G is widely used in mobile phones for purposes such as watching videos online, make video calls, etc.. The activation of 3G services depends on the service provider.
Wireless technology, also known as 802.11, allows the transfer of data in any form to other mobile devices through the network or Internet, without any physical medium. The wifi is also a wireless standard used in laptops and smartphones with wireless installation. The Internet connection of wireless routers depends.
The 3G has to be provided by the service provider, while the wifi can be controlled by a router that is at a proper distance. To make use of wireless facilities, we must have free access to the connection provided by the router. Nowadays, most of the malls, cafes, and major streets have routers that enable fast Internet access.
