3G is 3rd generation mobile technology. UMTS is one of the technologies under 3G, just like CDMA2000.
U niversal M obile T elecommunications S ystem www.iec.org/online/tutorials/umts
According to the acronym dictionary, UMTS stands for: Universal Mobile Telecommunications Systems. This acronym refers to the third generation mobile communications system (3G).
The 3G has 3G connection, and I believe it is a little faster too.
900 & 1800 for voice/sms (2g) 2100 for UMTS (3g)
2g is 2nd generation 3g is 3rd generation
computers
computers
The present technology available in developed countries is 4G, which will utilize a packet infrastructure rather than a traditional telephone architecture. In developing nations 3G spectrum or 2G is used. In 3G- includes high data speeds, always-on data access, and greater voice capacity.The high data speeds are possibly the most prominent feature, and certainly the most hyped. They enable such advanced features as live, streaming video. There are several different 3G technology standards. The most prevalent is UMTS, which is based on WCDMA (the terms WCDMA and UMTS are often used interchangeably).
UMTS is the 3rd generation wireless technology while HSDPA (High Speed Downlink Packet Access) is the feature of UMTS technology where users can download a stream of 14.4 Mbps with HSDPA.
The iPhone 2G is much slower than the iPhone 3G.
The HP iPAQ Voice Messenger offers 3G wireless broadband connectivity for voice and data, and Tri-band UMTS.
3G has better memory and faster internet. The higher the G the better. This is reffering to an Iphone.