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ETSI - European Telecommunication Standard Institute(ETSI) produces globally-applicable standards for information and telecommunication technologies (ICT) including land, mobile, radio, converged, broadcast and internet technologies.
Digital cellular telecommunications system (Phase 2+); Base Station System (BSS) equipment specification; Radio aspects (3GPP TS 51.021 version 11.1.0 Release 11)
Standard published on 12.2.2013
Selected format:Digital cellular telecommunications system (Phase 2+); Base Station System (BSS) equipment specification; Radio aspects (3GPP TS 51.021 version 11.2.0 Release 11)
Standard published on 23.4.2013
Selected format:Digital cellular telecommunications system (Phase 2+); Base Station System (BSS) equipment specification; Radio aspects (3GPP TS 51.021 version 11.3.0 Release 11)
Standard published on 11.7.2013
Selected format:Digital cellular telecommunications system (Phase 2+); Base Station System (BSS) equipment specification; Radio aspects (3GPP TS 51.021 version 11.4.0 Release 11)
Standard published on 2.10.2013
Selected format:Digital cellular telecommunications system (Phase 2+); Base Station System (BSS) equipment specification; Radio aspects (3GPP TS 51.021 version 12.2.0 Release 12)
Standard published on 9.10.2014
Selected format:Digital cellular telecommunications system (Phase 2+); Base Station System (BSS) equipment specification; Radio aspects (3GPP TS 51.021 version 12.3.0 Release 12)
Standard published on 27.1.2015
Selected format:Digital cellular telecommunications system (Phase 2+); Base Station System (BSS) equipment specification; Radio aspects (3GPP TS 51.021 version 13.0.0 Release 13)
Standard published on 22.1.2016
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Base Station System (BSS) equipment specification; Radio aspects (3GPP TS 51.021 version 13.1.0 Release 13)
Standard published on 2.8.2016
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Base Station System (BSS) equipment specification; Radio aspects (3GPP TS 51.021 version 13.2.1 Release 13)
Standard published on 2.11.2016
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Base Station System (BSS) equipment specification; Radio aspects (3GPP TS 51.021 version 13.3.1 Release 13)
Standard published on 10.2.2017
Selected format:Latest update: 2026-01-20 (Number of items: 2 257 233)
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