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USALS universal satellites automatic location system
(en)
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USAT ultra small aperture terminal (satellite comm.)
(en)
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USB Unterer Sonderkanalbereich
(de)
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USB Unterer Sonderkanalbereich
(de)
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USB universal serial bus
(en)
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USB-AV USB audio video
(en)
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USB-BC USB battery charging
(en)
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USB-IF USB implementers forum
(en)
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USB-PD USB power delivery
(en)
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USCSI ultra SCSI
(en)
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USDC US digital cellular (mobile communications)
(en)
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USENET user network
(en)
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USIM universal subscriber identity module (UMTS)
(en)
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USN ubiquitous sensor network
(en)
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USNO US naval observation
(en)
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USOC universal service ordering code (wiring)
(en)
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USRP universal software radio peripheral (SDR)
(en)
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USRT universal synchronous receiver/transmitter
(en)
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USSD unstructured supplementary service data (GSM)
(en)
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USV Unterbrechungsfreie Stromversorgung
(de)
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USV Unterbrechungsfreie Stromversorgung
(de)
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UT universal time
(en)
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UTC universal time coordinated
(en)
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UTF unicode transformation format
(en)
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UTF-16 unicode transformation format 16
(en)
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UTF-8 unicode transformation format 8
(en)
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UTM ultra thin multilayer (PCB)
(en)
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UTM unified threat management
(en)
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UTMA unified threat management appliance
(en)
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UTOPIA universal test and operation PHY-interface for ATM
(en)
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UTP unshielded twisted pair
(en)
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UTRA UMTS terrestrical radio access (mobile communications)
(en)
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UTRAN UMTS terrestrial radio access network
(en)
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UTS universal terminal support
(en)
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UTSP unshielded twisted single pair
(en)
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UUCP unix to unix copy program
(en)
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UUDECODE Unix to Unix decode
(en)
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UUENCODE Unix to Unix encode
(en)
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UUID universal unique identifier
(en)
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UUS user to user signalling service (ISDN)
(en)
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UV ultraviolet
(en)
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UV-LED ultraviolet light emitting diode
(en)
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