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ETSI TS 125421-V14.0.0
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Universal Mobile Telecommunications System (UMTS); UTRAN Iur interface layer 1 (3GPP TS 25.421 version 14.0.0 Release 14)
Standard published on 5.4.2017
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ETSI TS 125421-V15.0.0
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Universal Mobile Telecommunications System (UMTS); UTRAN Iur interface layer 1 (3GPP TS 25.421 version 15.0.0 Release 15)
Standard published on 11.7.2018
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ETSI TS 125421-V16.0.0
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Universal Mobile Telecommunications System (UMTS); UTRAN Iur interface layer 1 (3GPP TS 25.421 version 16.0.0 Release 16)
Standard published on 19.8.2020
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ETSI TS 125421-V17.0.0
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Universal Mobile Telecommunications System (UMTS); UTRAN Iur interface layer 1 (3GPP TS 25.421 version 17.0.0 Release 17)
Standard published on 2.5.2022
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ETSI TS 125421-V18.0.0
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Universal Mobile Telecommunications System (UMTS); UTRAN Iur interface layer 1 (3GPP TS 25.421 version 18.0.0 Release 18)
Standard published on 25.4.2024
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ETSI TS 125421-V19.0.0
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Universal Mobile Telecommunications System (UMTS); UTRAN Iur interface layer 1 (3GPP TS 25.421 version 19.0.0 Release 19)
Standard published on 7.10.2025
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ETSI TS 125421-V3.0.0
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Universal Mobile Telecommunications System (UMTS); UTRAN Iur Interface Layer 1 (3G TS 25.421 version 3.0.0 Release 1999)
Standard published on 28.1.2000
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ETSI TS 125421-V3.1.0
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Universal Mobile Telecommunications System (UMTS); UTRAN Iur Interface Layer 1 (3GPP TS 25.421 version 3.1.0 Release 1999)
Standard published on 31.3.2001
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ETSI TS 125421-V4.0.0
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Universal Mobile Telecommunications System (UMTS); UTRAN Iur Interface Layer 1 (3GPP TS 25.421 version 4.0.0 Release 4)
Standard published on 31.3.2001
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ETSI TS 125421-V5.0.0
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Universal Mobile Telecommunications System (UMTS); UTRAN Iur interface Layer 1 (3GPP TS 25.421 version 5.0.0 Release 5)
Standard published on 31.3.2002
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