2G full name is second-generation cellular technology. The second-generation cellular technology commercially first lunched on GSM standard in 1991 by Radiolinja. It is a second-generation mobile network system. The second-generation cellarer technology able to digital inscription telephone conversation. Second generation cellarer technology is also providing us mobile data service or messaging system (text SMS). As it is a digital radio technology system, it allows us to download and upload. Its download and upload speed are 236 kbps.
It has some of the note added features. Also, we can provide picture SMS by digital encrypt. Also, it has more speciation or benefits.