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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 11.21 version 5.5.0 Release 1996)
Standard published on 5.8.2002
Selected format:Digital cellular telecommunications system (Phase 2+); Base Station System (BSS) equipment specification; Radio aspects (3GPP TS 11.21 version 6.0.0 Release 1997)
Standard published on 18.6.2002
Selected format:Digital cellular telecommunications system (Phase 2+); Base Station System (BSS) equipment specification; Radio aspects (3GPP TS 11.21 version 7.3.0 Release 1998)
Standard published on 30.11.2002
Selected format:Digital cellular telecommunications system (Phase 2+); Base Station System (BSS) equipment specification; Radio aspects (3GPP TS 11.21 version 7.4.0 Release 1998)
Standard published on 28.2.2003
Selected format:Digital cellular telecommunications system (Phase 2 and Phase 2+); Base Station System (BSS) equipment specification; Radio aspects (3GPP TS 11.21 version 7.5.0 Release 1998)
Standard published on 30.6.2003
Selected format:Digital cellular telecommunications system (Phase 2+); Base Station System (BSS) equipment specification; Radio aspects (3GPP TS 11.21 version 8.10.0 Release 1999)
Standard published on 30.11.2005
Selected format:Digital cellular telecommunications system (Phase 2+); Base Station System (BSS) equipment specification; Radio aspects (3GPP TS 11.21 version 8.11.0 Release 1999)
Standard published on 19.6.2009
Selected format:Digital cellular telecommunications system (Phase 2 and Phase 2+) (GSM); Base Station System (BSS) equipment specification; Radio aspects (GSM 11.21 version 8.3.0 Release 1999)
Standard published on 10.8.2000
Selected format:Digital cellular telecommunications system (Phase 2 and Phase 2+) (GSM); Base Station System (BSS) equipment specification; Radio aspects (3GPP TS 11.21 version 8.4.0 Release 1999)
Standard published on 30.9.2000
Selected format:Digital cellular telecommunications system (Phase 2 and Phase 2+) (GSM); Base Station System (BSS) equipment specification; Radio aspects (3GPP TS 11.21 version 8.5.0 Release 1999)
Standard published on 30.11.2000
Selected format:Latest update: 2026-01-23 (Number of items: 2 257 393)
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