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ČSN is a protected designation of Czech national technical standards.
Digital cellular telecommunications system (Phase 2) - Mobile radio interface layer specification (GSM 04.08 version 4.22.1)
Standard published on 1.12.1999
Selected format:Digital cellular telecommunications system (Phase 2) - Mobile radio interface - Layer 3 specification (GSM 04.08 version 4.23.1)
Standard published on 1.8.2000
Selected format:Evropský digitální buňkový telekomunikační systém (Fáze 2) - Specifikace rádiového rozhraní vrstvy 3 (GSM 04.08) (Norma k přímému použití jako ČSN).
Standard published on 1.8.2003
Selected format:Digital cellular telecommunications system (Phase 2) - Mobile radio interface layer 3 specification (GSM O4.08)
Standard published on 1.6.1997
Selected format:Digital cellular telecommunications system (Phase 2) - Mobile radio interface layer 3 specification (GSM O4.08)
Standard published on 1.8.1997
Selected format:Digital cellular telecommunications system (Phase 2). Mobile radio interface layer 3 specification (GSM 04.08)
Standard published on 1.12.1997
Selected format:Digital cellular telecommunications system (Phase 2). Mobile radio interface layer 3 specification (GSM 04.08)
Standard published on 1.12.1997
Selected format:Digital cellular telecommunications system (Phase 2). Mobile radio interface layer 3 specification (GSM 04.08)
Standard published on 1.12.1997
Selected format:Digital cellular telecommunications system (Phase 2) - Mobile radio interface layer 3 specification (GSM 04.08)
Standard published on 1.4.1998
Selected format:Digital cellular telecommunications system (Phase 2) - Mobile radio interface layer 3 (GSM 04.08 version 4.19.2)
Standard published on 1.11.1998
Selected format:Latest update: 2025-08-20 (Number of items: 2 213 083)
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