telecom acronyms and abbreviations > U

U: radiation intensity 
U: Unavailability 
U: Underlined 
U: Unnumbered 
U: Usage 
u: user 
U: User Option 
U Frame: Unnumbered Frame 
U Plane: User Plane 
U-C: User Central 
U-N: User-to-Network 
U-NII: Unlicensed National Information Infrastructure 
U-PCS: Unlicensed Personal Communications Services 
U-plane: User plane 
U-R: User Remote 
U-U: User-to-User 
U/C: Up-Converter 
U/D: Up/Down Chain 
U/L: Uplink 
U/S: User/Supervisor 
UA: Unassigned 
UA: Unavailability 
UA: Unbalanced ARM 
UA: Universal Access 
UA: Unnumbered Acknowledge 
UA: Unnumbered Acknowledgement 
UA: User Agent 
UAC: User Agent Client 
UAC: User Application Control 
UADSL: Universal Asymmetrical DSL 
UAE: UNIX Applications Environment 
UAE: Unrecoverable Application Error 
UAE: User Access Equipment 
UAE: User Agent Entity 
UAEnic: United Arab Emirates network information center 
UAF: Universal Active Filter 
UAL: UMTS Adaptation Layer 
UAL: User Agent Layer 
UAL: User Application Layer 
UAM: Universal Access Module