(= universal mobile telecommunications system,
"universaalne mobiilside süsteem")

olemus
kolmanda põlve lairiba-mobiilside tehnoloogia ja standard
= a third generation mobile cellular system for networks based on the GSM standard

ülevaateid
https://www.youtube.com/watch?v=d_HUIN0RHsI
https://en.wikipedia.org/wiki/UMTS
http://www.umtsworld.com/umts/faq.htm