2G is short for second-generation cellular network . 2G cellular networks were commercially launched on the GSM standard in Finland by Radiolinja (now part of Elisa Oyj) in 1991.
Read moreWhat is the architecture of GSM?
The GSM architecture consists of three major interconnected subsystems that interact with themselves and with users through certain network interface . The subsystems are Base Station Subsystem (BSS), Network Switching Subsystem (NSS) and Operational Support Subsystem (OSS).
Read more