The second generation of mobile communications, 2G for short.

GSM digital network has strong confidentiality and anti-interference, clear sound quality, stable call, and has the advantages of large capacity, high frequency resource utilization, open interface, powerful functions and so on.

After the GSM era, the major mobile phone manufacturers are optimistic about this new business opportunity, competing to expand the share of this market, MOTOROLA refused to give up the existing territory to hold the analog network, so that it failed to adjust the market strategy in time, its dominant position rapidly declined. At the same time, Nokia, Ericsson and other manufacturers have come from behind, becoming a three-way trend.