UA |
User agent
|
UADSL |
Universal ADSL
|
UAK |
User-authentication key
|
UART |
Universal Asynchronous Receiver Transmitter
|
UAV |
Unmanned Aerial Vehicle
|
UAWG |
Universal ADSL Working Group
|
UBR |
Unspecified bit rate
|
UBT |
Ubiquitous bus technology
|
UCC |
Uniform Code Council
|
UCD |
Uplink Channel Descriptor
|
UCP |
Universal computer protocol
|
UCS |
Uniform communication standard
|
UDP |
User Datagram Protocol
|
UE |
User Equipment
|
UGS |
Unsolicited Frant Service
|
UHF |
Ultra High Frequency
|
UI |
User interface
|
UIM |
User Identity Module
|
ULC |
Ultra Low Cost
|
ULH |
Ultra-long-haul
|
ULP |
Ultra Low Power
|
ULS |
Universal Licensing System
|
UM |
Unlicensed Mobile Access
|
UMB |
Ultra Mobile Broadband
|
UML |
Unified modeling language
|
UMTS |
Universal Mobile Telecommunications System
|
UMTS |
Universal Mobile Telecommunications Service
|
UMTS |
Universal Mobile Telecommunications System
|
UN |
United Nations
|
UNE |
Unbundled network element
|
UNH-IOL |
University of New Hampshire-Interoperability Laboratory
|
UNI |
User network interface
|
UNII |
Unlicensed National Information Infrastructure
|
UOL |
Unbundled optical loop
|
UPC |
Uplink Power Control /Usage parameter control
|
UPI |
User personal identification
|
UPSR |
Unidirectional Path-Switched Ring
|
URI |
Uniform Resource Identifier
|
URL |
Universal Resource Locator
|
USART |
Universal Synchronous/asynchronous Receiver/Transmitter
|
USB |
Universal Serial Bus
|
USIF |
Universal Serial Interface
|
USTA |
United States Telephone Association
|
Utopia |
Universal Test and Operations Interface for ATM
|
UTRA |
UMTS Terrestrial Radio Access
|
UTS |
Universal Telephone Service
|
UWB |
Ultra-Wideband
|
UWB SRR |
Ultra Wideband Short Range Radar
|