Do you have a smartphone? In recent years, with the spread of smartphones, we are now familiar with communication using 4G networks next to 3G, and communication using voice and video has become more common. Have you ever wondered why the letters "4G" or "5G" appears on your smartphone’s screen? "4G" or "5G" means a generation of mobile communication systems attached on at the time.
The "4G"/"5G" sign refers to the generation of mobile communication systems, and these mobile communication systems are transitioning to a new generation in a span of about 10 years in order to improve the efficiency of communication methods. In this article, we will briefly explain the features of the first generation (1G) to the latest 5th generation (5G).