2G refers to the second generation of mobile telephony which used digital signals for the first time. It was launched in Finland in 1991 and used GSM technology. Some prominent characteristics of 2G communication are −
- Data speeds up to 64 kbps
- Text and multimedia messaging possible
- Better quality than 1G
When GPRS technology was introduced, it enabled web browsing, e-mail services and fast upload/download speeds. 2G with GPRS is also referred to as 2.5G, a step short of the next mobile generation.