ETSI - European Telecommunication Standard Institute

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ETSI TR 121900-V19.1.0 (22.1.2026)

ETSI TR 121900-V19.1.0 (22/01/2026)

Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; 5G; Technical Specification Group working methods (3GPP TR 21.900 version 19.1.0 Release 19)

Available languages: English

Available design: PDF - Immediate download, Print design

from 1 019.80 CZK more info
ETSI TR 121900-V3.2.0 (28.1.2000)

ETSI TR 121900-V3.2.0 (28/01/2000)

Universal Mobile Telecommunications System (UMTS); Working methods (3G TR 21.900 version 3.2.0 Release 1999)

Available languages: English

Available design: PDF - Immediate download, Print design

from 631.30 CZK more info
ETSI TR 121900-V3.3.0 (22.6.2000)

ETSI TR 121900-V3.3.0 (22/06/2000)

Universal Mobile Telecommunications System (UMTS); Working methods (3G TR 21.900 version 3.3.0 Release 1999)

Available languages: English

Available design: PDF - Immediate download, Print design

from 728.40 CZK more info
ETSI TR 121900-V3.4.0 (30.9.2000)

ETSI TR 121900-V3.4.0 (30/09/2000)

Universal Mobile Telecommunications System (UMTS); Working Methods (3GPP TR 21.900 version 3.4.0 Release 1999)

Available languages: English

Available design: PDF - Immediate download, Print design

from 825.50 CZK more info
ETSI TR 121900-V3.5.0 (31.12.2000)

ETSI TR 121900-V3.5.0 (31/12/2000)

Universal Mobile Telecommunications System (UMTS); Working methods (3GPP TR 21.900 version 3.5.0 Release 1999)

Available languages: English

Available design: PDF - Immediate download, Print design

from 825.50 CZK more info
ETSI TR 121900-V3.6.0 (31.3.2001)

ETSI TR 121900-V3.6.0 (31/03/2001)

Universal Mobile Telecommunications System (UMTS); Technical Specification Group working methods (3GPP TR 21.900 version 3.6.0 Release 1999)

Available languages: English

Available design: PDF - Immediate download, Print design

from 825.50 CZK more info
ETSI TR 121900-V3.7.0 (31.12.2003)

ETSI TR 121900-V3.7.0 (31/12/2003)

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Technical Specification Group working methods (3GPP TR 21.900 version 3.7.0 Release 1999)

Available languages: English

Available design: PDF - Immediate download, Print design

from 339.90 CZK more info
ETSI TR 121900-V4.0.0 (31.3.2001)

ETSI TR 121900-V4.0.0 (31/03/2001)

Universal Mobile Telecommunications System (UMTS); Technical Specification Group working methods (3GPP TR 21.900 version 4.0.0 Release 4)

Available languages: English

Available design: PDF - Immediate download, Print design

from 825.50 CZK more info
ETSI TR 121900-V4.1.0 (31.12.2003)

ETSI TR 121900-V4.1.0 (31/12/2003)

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Technical Specification Group working methods (3GPP TR 21.900 version 4.1.0 Release 4)

Available languages: English

Available design: PDF - Immediate download, Print design

from 339.90 CZK more info
ETSI TR 121900-V5.0.1 (30.9.2002)

ETSI TR 121900-V5.0.1 (30/09/2002)

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Technical Specification Group working methods (3GPP TR 21.900 version 5.0.1 Release 5)

Available languages: English

Available design: PDF - Immediate download, Print design

from 825.50 CZK more info
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