Or TDMA. And, GSM is chosen by many users when they are given the options of the three popular digital wireless telephony equipment: TDMA, CDMA, and GSM.
Global System for Mobile communication (GSM) functions in different ways where it turns data into digital form and it can also pack together all the previously-converted data.
Afterwards, the transformed data are then sent down to a channel that contains two more streams of user data.
According to experts, GSM runs at either of the two frequency bands: 900 MHz or 1800 MHz.
GSM was found to be very essential since it permits international roaming agreements among the different mobile phone providers, which make subscription available for the hand phone users.
The subscription lets the users utilize their mobile phone in different countries around the world.
Hence, it is no longer necessary for users to change their mobile phones whenever they travel to other countries.
This digital telephony system was first introduced in the market of Finland in the year 1991.
And, as of the moment, there are about 690 mobile network companies that offer GSM services in 213 countries all over the world.
In addition, reports say that 82.4 percent of the global mobile connections point at the use of Global System for Mobile communication.
Today, two billion individuals make use of GSM mobile globally and the country that has the biggest GSM market is China since figures show that it has 370 million GSM users.
The second major GSM trade in the world is Russia having just about 145 million GSM mobile phone users.
Both India and USA are a little behind with 83 million and 78 million users, respectively.