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ETSI TS 121101-V17.0.0
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Universal Mobile Telecommunications System (UMTS); Technical Specifications and Technical Reports for a UTRAN-based 3GPP system (3GPP TS 21.101 version 17.0.0 Release 17)
Standard published on 5.4.2022
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ETSI TS 121101-V17.1.0
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Universal Mobile Telecommunications System (UMTS); Technical Specifications and Technical Reports for a UTRAN-based 3GPP system (3GPP TS 21.101 version 17.1.0 Release 17)
Standard published on 5.4.2023
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ETSI TS 121101-V17.2.0
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Universal Mobile Telecommunications System (UMTS); Technical Specifications and Technical Reports for a UTRAN-based 3GPP system (3GPP TS 21.101 version 17.2.0 Release 17)
Standard published on 25.3.2025
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ETSI TS 121101-V18.0.0
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Universal Mobile Telecommunications System (UMTS); Technical Specifications and Technical Reports for a UTRAN-based 3GPP system (3GPP TS 21.101 version 18.0.0 Release 18)
Standard published on 24.4.2024
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ETSI TS 121101-V18.1.0
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Universal Mobile Telecommunications System (UMTS); Technical Specifications and Technical Reports for a UTRAN-based 3GPP system (3GPP TS 21.101 version 18.1.0 Release 18)
Standard published on 25.3.2025
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ETSI TS 121101-V19.0.0
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Universal Mobile Telecommunications System (UMTS); Technical Specifications and Technical Reports for a UTRAN-based 3GPP system (3GPP TS 21.101 version 19.0.0 Release 19)
Standard published on 16.10.2025
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ETSI TS 121101-V3.0.1
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Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); 3rd Generation mobile system Release 1999 Specifications (3G TS 21.101 version 3.0.1)
Standard published on 17.5.2000
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ETSI TS 121101-V3.1.0
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Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); 3rd Generation mobile system Release 1999 Specifications (3G TS 21.101 version 3.1.0 Release 1999)
Standard published on 22.7.2000
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ETSI TS 121101-V3.10.0
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Universal Mobile Telecommunications System (UMTS); 3rd Generation mobile system Release 1999 Specifications (3GPP TS 21.101 version 3.10.0 Release 1999)
Standard published on 31.12.2002
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ETSI TS 121101-V3.11.0
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Universal Mobile Telecommunications System (UMTS); 3rd Generation mobile system Release 1999 Specifications (3GPP TS 21.101 version 3.11.0 Release 1999)
Standard published on 31.3.2003
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