| Acronym | Sense | Language | Topics |
|---|---|---|---|
| TDF | Télédiffusion de France | In French | → France |
| TDMA | Time Division Multiple Access | In English | |
| TDOA | Time Difference Of Arrival | In English | |
| TE | Terminal Equipment | In English | |
| TELEX | Telegraph EXchange | In English | |
| TelIn | Telematics Informatics | In English | → Serial publications, periodicals → Computer science |
| TERC | Tuned Electromagnetic Resonance Collar | In English | → Acoustical engineering |
| TES | Transactions Électroniques Sécurisées | In French | → Networks, communication → Electronics |
| TETRA | Terrestrial Trunked Radio | In English | |
| TF1 | Télévision Française 1 (www.tf1.fr) | In French | → Entertainment |
| TI | Tecnologia da Informação = IT | Information Technology | In English = IT | Informationstechnik | In German = IT | Inligtingstegnologie | In Afrikaans = TI | Tecnoloxías da información | In Galician = OT | Ohjelmistotekniikka | In Finnish = UT | Upplýsingatækni | In Icelandic = IT | Informationsteknik | In Swedish = IT | Informacijska Tehnologija | In Slovenian = IT | Informačné Technológie | In Slovak = ІТ | Інформаційні технології | In Ukrainian = ИТ | Информационные технологии | In Russian = IT | Informa Teknologio | In Esperanto = TI | Tecnologías de la Información | In Spanish = IT | Informacinės Technologijos | In Lithuanian = IT | Informācijas Tehnoloģijas | In Latvian |
In Portuguese | → Computer science |
| TI | Tecnoloxías da información = IT, OT, UT, ІТ, ИТ (look above) |
In Galician | → Computer science |
| TI | Tecnologías de la Información = IT, OT, UT, ІТ, ИТ (look above) |
In Spanish | → Computer science |
| TIA | Telecommunications Industry Association (www.tiaonline.org) | In English | → Associations |
| TIC | Tecnologías de la Información y la Comunicación = IKT | Informations- und Kommunikationstechnologie | In German = TIC | Technologies de l'Information et de la Communication | In French = ICT | Information and Communications Technology | In English = IKT | Informations- og kommunikationsteknologi | In Danish = IKT | Inligtings- en kommunikasietegnologie | In Afrikaans = ICT | Informatie- en Communicatietechnologie | In Dutch = TMK | Teknologi Maklumat dan Komunikasi | In Malay = IKT | Informasjons- og kommunikasjonsteknologi | In Norwegian = TIC | Tecnologies de la Informació i la Comunicació | In Catalan = IKT | Informazio eta Komunikazio Teknologia | In Basque = TIC | Tecnologia dell'Informazione e della Comunicazione | In Italian = IKT | Informasjons- og kommunikasjonsteknologi | In Nynorsk |
In Spanish | → Computer science |
| TIC | Technologies de l'Information et de la Communication = IKT, ICT, TMK (look above) |
In French | → Computer science |
| TIC | Tecnologies de la Informació i la Comunicació = IKT, ICT, TMK (look above) |
In Catalan | → Computer science |
| TIC | Tecnologia dell'Informazione e della Comunicazione = IKT, ICT, TMK (look above) |
In Italian | → Computer science |
| TID | Telefónica Investigación y Desarrollo | In Spanish | → Networks, communication |
| TIM | Telecom Italia Mobile (www.tim.it) | In Italian | |
| TIPHON | Telecommunications and Internet Protocol Harmonization Over Networks | In English | → Internet |
| TIROS | Television Infrared Observation Satellite | In English | → Astronautics |
| TISPAN | Telecoms & Internet converged Services & Protocols for Advanced Networks | In English | → Internet |
| TJAu | Telecommunication Journal of Australia | In English | → Serial publications, periodicals → Australia |
| TL | Télé Liban | In French | |
| TLD | Top Level Domain | In English | → Networks, communication |
| TLF | Télévision de tous les Franciliens | In French | |
| TLL | Télévision Locale Loire | In French | |
| TM | Transmission & Multiplexing | In English | |
| TMK | Teknologi Maklumat dan Komunikasi = TIC, IKT, ICT (look above) |
In Malay | → Computer science |
| TMN | Telecommunications Management Network | In English | |
| TMOPR | Telecommunications and Mission Operations Progress Report | In English | → Serial publications, periodicals |
| TMP | Télévision Mobile Personnelle | In French | |
| TnaG | Teilifís na Gaeilge | In Irish | |
| TNC | Terminal Node Controller | In English | |
| TNS | Tahiti Nui Satellite (www.tns.pf) | In French | → Astronautics |
| TNS | Transaction Network Services (www.tnsi.com) | In English | → Networks, communication |
| TNS | Total Network Solutions (www.tns.co.uk) | In English | → Computer hardware → 6218 → United Kingdom |
| TNT | Télévision Numérique Terrestre | In French | |
| TOPS | Transistorized Operational Phone System | In English | |
| TOR | Telex-on-Radio | In English | |
| TORRA | Tournament of Roses Radio Amateurs | In English | |
| TR | Transistor/Receiver | In English | |
| TR | Transmitter/Receiver | In English | |
| TRET | Telecommunications and Radio Engineering Telecommunications | In English | → Serial publications, periodicals |
| TRF | Tuned Radio Frequency | In English | |
| TRM | Teleradio-Moldova (www.trm.md) | In Moldavan | |
| TROS | Televisie en Radio Omroep Stichting (http://tros.nl) | In Dutch | → Foundations → Netherlands |
| TSS | Telephony Softswitch | In English | |
| TSV | Télé Sud Vendée | In English | → Entertainment |
| TT&C | Telemetry, Tracking, and Communications | In English | → Astronautics |
| TTC | Telecommunications Technology Committee | In English | |
| TTCV | Tracking, Telemetry, Command, and Voice | In English | → Astronautics |
| TTRT | Türkiye Radyo-Televizyon Kurumu (www.trt.net.tr) | In Turkish | → Turkey |
| TTY | Teletype | In English | |
| TUAG | Telecommunication Users Advisory Group | In English | → Organizations and associations |
| TÜBİSAD | Türkiye Bilişim Sanayicileri ve İşadamları Derneği (www.tubisad.org.tr) | In Turkish | → Associations → Computer science → Turkey |
| TV | Television | In English | |
| TVCG | Televizija Crne Gore | In Serbian | |
| TVEXPIS | TV Experiment Interconnecting Station | In English | |
| TVFI | Télévision Française Internationale | In French | → France |
| TVHD | Télévision Haute Définition | In French | |
| TVR | Televiziunea Română | In Romanian | |
| TVSML | Télévision Mobile Sans Limite | In French | |
| TVSSIS | TV Subsystem Interconnecting Station | In English | |
| TWX | Teletype Wire Transmission | In English | |
| TX | Transmit Channel | In English | |
| UART | Universal Asynchronous Receiver Transmitter | In English | |
| UCE | Unsolicited Commercial Email | In English | → Networks, communication |
| UDDI | Universal Description Discovery and Integration | In English | → Networks, communication |
| UDWDM | Ultra Dense Wavelength Division Multiplexing | In English | → Networks, communication |
| UECBu | University Electro-Communications Bulletin | In English | → Serial publications, periodicals |
| UER | Union Européenne de Radio-télévision (www.ebu.ch) = EBU | European Broadcasting Union | In English = ЕСРТ | Европейски съюз за радио и телевизия | In Bulgarian = ЄТС | Європейський Телерадіомовний Союз | In Ukrainian = ЕВС | Европейский вещательный союз | In Russian = UER | União Europeia de Radiodifusão | In Portuguese |
In French | → Organizations and associations |
| UER | União Europeia de Radiodifusão (www.ebu.ch) = EBU, ЕСРТ, ЄТС, ЕВС (look above) |
In Portuguese | → Organizations and associations |
| UHF | Ultra High Frequency = УКВ | Ультракороткие волны | In Russian = UKW | Ultrakurzwelle | In German |
In English | |
| UHF/VHF | Ultra High Frequency/Very High Frequency | In English | |
| UIT | Union Internationale des Télécommunications = ITU | International Telecommunication Union | In English = IUT | Internacia Unio pri Telekomunikado | In Esperanto |
In French | → Organizations and associations |
| UKIB | United Kingdom Independent Broadcasting | In English | |
| UKW | Ultrakurzwelle = UHF, УКВ (look above) |
In German | |
| UMTS | Universal Mobile Telecommunications System | In English | |
| UNE | Unbundled Network Elements | In English | → Networks, communication |
| UnECR | University Electro-Communications Reports | In English | → Serial publications, periodicals |
| UNETEL | Union Nationale des Entreprises de Télécommunications | In French | → Organizations and associations |
| UPCS | Unlicensed Personal Communications Services | In English | |
| UR | Sveriges Utbildningsradio | In Swedish | → Education → Sweden |
| URAC | United Radio Amateur Club | In English | → Organizations and associations |
| USART | Universal Synchronous & Asynchronous Receiver Transmitter | In English | |
| USASATCOMA | United States Army Satellite and Communication Agency | In English | → Military affairs → Astronautics → United States |
| USB | Unified SBand | In English | |
| USBE | Unified SBand Equipment | In English | |
| USBS | Unified SBand System | In English | |
| USIM | Universal Subscriber Identity Module | In English | |
| USKA | Union Schweizerischer Kurzwellen-Amateure | In German | → Organizations and associations → Switzerland |
| USPA | Union Syndicale de la Production Audiovisuelle (www.uspa.fr) | In French | → Organizations and associations → Cinema, movies → France |
| USPL | Universal Signal Processing Library | In English | → Libraries |
| UT | Upplýsingatækni = TI, IT, OT, ІТ, ИТ (look above) |
In Icelandic | → Computer science |
| UTE | Union Technique de l'Électricité et de la Communication | In French | → Organizations and associations → Electrical engineering |
| UTRAN | UMTS Terrestrial Radio Access Network | In English | |
| UTS | Universal Test Set | In English | → Electronics |
| UVMS | Universal Video Management System | In English | |
| UWB | Ultrawideband | In English | |
| VARA | Vereniging van Arbeiders Radio Amateurs | In Dutch | → Organizations and associations |
| VAS | Voice Activated Switch | In English | |
| VBC | Video Bandwidth Compressor | In English | → Computer science |
| VCARC | Ventura County Amateur Radio Club | In English | → Organizations and associations |
| VDE | Verband der Elektrotechnik, Elektronik und Informationstechnik | In German | → Organizations and associations → Electrical engineering → Electronics |
| VECAM | Veille européenne et citoyenne sur les autoroutes de l'information et le multimédia | In French | → Computer science |
| VERA | Valley Emergency Radio Association | In English | → Associations |
| VERON | Vereniging voor Experimenteel Radio Onderzoek Nederland (www.veron.nl) | In Dutch | → Organizations and associations → Netherlands |
| VFDB | Verband der Funkamateure in Telekommunikation und Post | In German | → Organizations and associations → Transport and postal services |
| VHDSL | Very High-speed Digital Subscriber Line | In English | → Networks, communication |
| VHF | Very High Frequency | In English | |
| VHF/AM | Very High Frequency Amplitude Modulator | In English | |
| VHF/DF | Very High Frequency Direction Finder | In English | |
| VHFOA | Very High Frequency Omnidirectional Antenna | In English | |
| VIP | Virtual Instance Port | In English | → Networks, communication |
| VITE | Vienna IT Enterprises | In English | → Networks, communication |
| VKV | Velmi krátké vlny | In Czech | |
| VLR | Visitor Location Register | In English | |
| VLR | Véhicule de Liaison Radio | In French | → Vehicle engineering |
| VoIP | Voice over Internet Protocol | In English | → Networks, communication |
| VOR | VHF Omnidirectional Radio Range | In English | |
| VOR | Voice-Operated Relay | In English | |
| VOR | VHF Omni-directional Range | In English | |
| VOX | Voice-Operated Transmitter | In English | |
| VPRO | Vrijzinnig Protestantse Radio Omroep | In Dutch | → Protestant churches |
| VPRS | Voice Portal Reference System | In English | → Computer-based techniques |
| VRM | Véhicule Radio Médicalisé | In French | → Vehicle engineering → Medicine |
| VRT | Vlaamse Radio- en Televisieomroep (www.vrt.be) | In Dutch | → Belgium |
| VRU | Voice Response Unit | In English | |
| VRZA | Vereniging van Radiozendamateurs (www.vrza.org) | In Dutch | → Organizations and associations |
| VTHR | Vidéo Transmission Haute Résolution | In French | |
| VVARC | Victor Valley Amateur Radio Club | In English | → Organizations and associations |
| W&C | Wire and Cable | In English | → Electronics |
| W-CDMA | Wideband Code Division Multiple Access | In English | |
| WAI | Web Accessibility Initiative | In English | → Internet |
| WALA | Western Amateur Linking Association | In English | → Organizations and associations |
| WALL | Wireless Abstraction Library | In English | → Software |
| WALL | WURFL-based Abstraction Library by Luca | In English | → Software |
| WAP | Wireless Access Protocol | In English | → Networks, communication |
| WARA | Western Amateur Radio Association | In English | → Organizations and associations |
| WARS | Wide Area Telephone Service | In English | |
| WATS | Wide Area Telephone Service | In English | |
| WBD | Wide-Band Data | In English | → Data |
| WBF | Wissenschaftlicher Beirat Funk | In German | |
| WBFDM | Wide-Band Frequency Division Multiplexer | In English | |
| WBR | Wide-Band Radiometer | In English | |
| WBSC | Wide-Band Signal Conditioner | In English | |
| WBT | Wide-Band Terminal | In English | |
| WBTS | Wide-Band Transmission System | In English | |
| WCB | Wireline Competition Bureau (www.fcc.gov/wcb) | In English | → Central administration |
| WCCU | Wireless Crew Communication Unit | In English | |
| WCDMA | Wideband Code Division Multiple Access | In English | → Networks, communication |
| WCSC | West Coast Switching Center | In English | → 65978 → United States |
| WDECT | Wideband Digital Enhanced Cordless Telecommunications | In English | |
| WDM | Wave Division Multiplexing | In English | |
| WDM | Wavelength Division Multiplexing | In English | → Networks, communication |
| WDR | Westdeutscher Rundfunk (www.wdr.de) | In German | → Germany |
| WIM | WAP Identification Module | In English | → Internet |
| WIM | WAP Identity Module | In English | → Internet |
| WiMax | Worldwide Interoperability for Microwave Access | In English | |
| WMAN | Wireless Metropolitan Area Network | In English | → Networks, communication |
| WML | Wireless Markup Language | In English | → Software → Internet |
| WMLS | Wireless Markup Language Script | In English | → Computer science → Internet |
| WOS | Westlandse Omroep Stichting (www.wos.nl) | In Dutch | → Foundations → Netherlands |
| WPAN | Wireless Personal-Area Network | In English | → Networks, communication |
| WPC | Watt Pulse Communication | In English | → Electrical engineering |
| WS-I | Web Services Interoperability | In English | → Networks, communication |
| WSC | Wide-Band Signal Conditioner | In English | |
| WSN | Wireless Sensor Network | In English | → Networks, communication |
| WURFL | Wireless Universal Resource File | In English | → Software |
| WUSCI | Western Union Space Communications, Incorporated | In English | → Astronautics |
| XEP | XMPP Extension Proposal | In English | → Networks, communication |
| XHTML-MP | Extensible Hypertext Markup Language - Mobile Profile | In English | → Networks, communication |
| ZDF | Zweites Deutsches Fernsehen (www.zdf.de) | In German | → Entertainment → Germany |
| ΕΡΤ | Ελληνική Ραδιοφωνία Τηλεόραση (www.ert.gr) = ERT | Ellinikí Radiofonía Tileórasi | In Greek |
In Greek | → Greece |
| ΡIK | Ραδιοφωνικό Ίδρυμα Κύπρου (www.cybc.com.cy) = CBC | Cyprus Broadcasting Corporation | In English = RIK | Radiofoniko Idryma Kyprou | In Greek |
In Greek | |
| ЄТС | Європейський Телерадіомовний Союз (www.ebu.ch) = UER, EBU, ЕСРТ, ЕВС (look above) |
In Ukrainian | → Organizations and associations |
| ІТ | Інформаційні технології = TI, IT, OT, UT, ИТ (look above) |
In Ukrainian | → Computer science |
| ВГТРК | Всероссийская государственная телевизионная и радиовещательная компания | In Russian | |
| ЕВС | Европейский вещательный союз (www.ebu.ch) = UER, EBU, ЕСРТ, ЄТС (look above) |
In Russian | → Organizations and associations |
| ЕСРТ | Европейски съюз за радио и телевизия (www.ebu.ch) = UER, EBU, ЄТС, ЕВС (look above) |
In Bulgarian | → Organizations and associations |
| ИТ | Информационные технологии = TI, IT, OT, UT, ІТ (look above) |
In Russian | → Computer science |
| МРТ | Македонска радио-телевизија (www.mkrtv.com.mk) = MRT | Macedonian Radio-Television | In English = KVV | Kevarzhe Vannielouriezh Vreizh | In Breton = SBV | Société Bretonne de Vexillologie | In French |
In Macedonian | |
| МТК-2 | Международного телеграфного кода № 2 | In Russian | |
| НТУ | Національна Телекомпанія України (www.ntu.com.ua) = UNCITRAL | United Nations Commission on International Trade Law | In English = CNUDCI | Commission des Nations Unies pour le Droit Commercial International | In French = ЮНСИТРАЛ | Комиссия Организации Объединенных Наций по праву международной торговли | In Russian = CNUDMI | Comisión de las Naciones Unidas para el Derecho Mercantil Internacional | In Spanish = NTU | Natsionalna Telekompaniya Ukraïny | In Ukrainian |
In Ukrainian | |
| ТСОП | елефонная сеть общего пользования = PSTN | Public Switched Telephone Network | In English = RTCP | Réseau Téléphonique Commuté Public | In French |
In Russian | |
| УКВ | Ультракороткие волны = UHF, UKW (look above) |
In Russian |