UMTS stands for Universal Mobile Telecommunications System. It is a type of technology that is used to make phone calls and access the internet on mobile devices, like smartphones and tablets.
To use UMTS, you need to have a mobile device that is compatible with the technology and a plan from a mobile service provider that offers UMTS coverage.
When you use UMTS to make a phone call, the sound of your voice is turned into digital signals that are sent through the airwaves to the person you are calling. These signals are then turned back into sound waves so that the other person can hear you.
When you use UMTS to access the internet, your device sends and receives data through the airwaves that are sent between your device and the cell tower. This data can include things like web pages, videos, and music.
UMTS is one of the ways that people can stay connected to each other and the internet while on the go.