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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 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:Digital cellular telecommunications system (Phase 2 & Phase 2+); Base Station System (BSS) equipment specification; Radio aspects (3GPP TS 11.21 version 8.6.0 Release 1999)
Standard published on 30.4.2001
Selected format:Digital cellular telecommunications system (Phase 2+); Base Station System (BSS) equipment specification; Radio aspects (3GPP TS 11.21 version 8.7.0 Release 1999)
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 8.8.0 Release 1999)
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 8.9.0 Release 1999)
Standard published on 30.6.2003
Selected format:Network Aspects (NA); Cordless Terminal Mobility (CTM): Numbering and Identifying
Standard published on 31.8.1997
Selected format:ElectroMagnetic Compatibility and Radio Spectrum Matters (ERM); Maritime Very High Frequency (VHF) distress radio equipment operating on aeronautical frequencies
Standard published on 30.9.1997
Selected format:Network Aspects (NA); Report on Carrier Selection
Standard published on 30.8.1997
Selected format:Broadband Integrated Services Digital Network (B-ISDN); ATM for the transport of 64 kbit/s narrowband channels
Standard published on 30.9.1997
Selected format:Methods for Testing and Specification (MTS); TTCN interim version including ASN.1 1994 support [ISO/IEC 9646-3] (Second Edition Mock-up for JTC1/SC21 Review)
Standard published on 30.8.1997
Selected format:Latest update: 2026-06-10 (Number of items: 2 281 917)
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