UMTS is a third-generation (3G) broadband, packet-based transmission of text, digitized voice, video, and multimedia at data rates up to 2 Mbps. UMTS offers a consistent set of services to mobile computer and phone users, no matter where they are located in the world. UMTS is based on the Global System for Mobile (GSM) communication standard.
UMTS employs a wideband CDMA radio-access technology. UMTS works in a variety of spectrum bands offering operators more flexibility and is currently available worldwide for use in the 450, 700, 850, 900, 1700, 1800, 1900, 2100 and 2600 MHz bands.
UMTS operators can use a common core network that supports multiple radio-access networks, including GSM, EDGE, WCDMA, HSPA and evolutions of these technologies. This is called the UMTS multi-radio network and it gives operators maximum flexibility in providing different services across their coverage areas.
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