2G Technology

2G technology refers to the second generation. It was launched in Finland in the year 1991 which are based on GSM. 

It uses digital signals and this digital signal uses for voice transmission. This signal provides services to deliver text and picture message at low speed (in kbps).

Basic Features of 2G technology :
  • Bandwidth - 30 to 200 KHz 
  • Enables services such as text messages, MMS, picture message
  • Data speed - up to 64kbps
  • Provide better quality and capacity 
For detailed information:
Read more >> 2G technology features 

Drawbacks of  2G technology :
  • Unable to handle complex data such as Videos.
  • Required strong digital signals.
  • If digital signals would weak then no network coverage in that specific area.