Upp - Universal power processor
UI - User Interface
UMTS - Universal Mobile Telecommunications System
(the European entrant for 3G; now subsumed into the IMT-2000 family as the WCDMA technology.)
UPN - Universal Personal Number
UPT - Universal Personal Telecommunications
URL - Uniform Resource Locator( the addressing system of the Internet)
USO - Universal Service Obligation
UTRA - Universal Terrestrial Radio Access
UTRAN - Universal Terrestrial Radio Access Network
USIM - Universal Subscriber Identity Module; the 3G equivalent of the GSM SIM
UWB - Ultra Wide Band
UMTS - Universal Mobile Telecommunications System
(UMTS, a third-generation wireless communications technology and the next generation of GSM (Global System for Mobile Communications). UMTS is a wireless standard approved by the International Telecommunications Union (ITU) and is intended for advanced wireless communications. UMTS promises high-speed mobile data (up to 2 Mbps) and advanced multimedia capabilities such as streaming video.)
USB - Universal Serial Bus
UI - User Interface
UMTS - Universal Mobile Telecommunications System
(the European entrant for 3G; now subsumed into the IMT-2000 family as the WCDMA technology.)
UPN - Universal Personal Number
UPT - Universal Personal Telecommunications
URL - Uniform Resource Locator( the addressing system of the Internet)
USO - Universal Service Obligation
UTRA - Universal Terrestrial Radio Access
UTRAN - Universal Terrestrial Radio Access Network
USIM - Universal Subscriber Identity Module; the 3G equivalent of the GSM SIM
UWB - Ultra Wide Band
UMTS - Universal Mobile Telecommunications System
(UMTS, a third-generation wireless communications technology and the next generation of GSM (Global System for Mobile Communications). UMTS is a wireless standard approved by the International Telecommunications Union (ITU) and is intended for advanced wireless communications. UMTS promises high-speed mobile data (up to 2 Mbps) and advanced multimedia capabilities such as streaming video.)
USB - Universal Serial Bus