TR 21.904 – 3GPP UE Baseline Capabilities Requirements
3GPP TR 21.904 is the 3GPP Technical Report for 3GPP UE Baseline Capabilities Requirements. It is part of 3GPP R99 (version 3.5.0).
Defines baseline capabilities for 3GPP UEs to enable worldwide roaming and network registration across all 3G networks.
Releases and versions of TR 21.904
| Release | Latest version | Links |
|---|---|---|
| R99 | 3.5.0 | Read · Download (3GPP) |
Scope of TR 21.904
Category: Core Network (NAS). Technology generation: 3G. Network layer: UE.
Who should read this specification?
- Network operators
- Device manufacturers
- Regulators and standards bodies
Implementation notes
Complexity level: Advanced. Implementation difficulty: High.
Key technologies
Specifications that reference TR 21.904
Other specifications in the 21 series
- TR 21.810 Multi-mode UE Issues - Categories, principles and procedures
- TR 21.866 Study on Energy Efficiency in 3GPP Standards
- TR 21.900 3GPP Document Management Working Methods
- TR 21.902 3GPP Evolution Roadmap
- TR 21.905 3GPP Terminology and Definitions
- TR 21.910 Multi-mode UE Operation Principles
- TR 21.914 Summary of Rel-14 Work Items
- TR 21.915 Release 15 Description: Summary of Rel-15 Work Items
Related glossary terms
Related topics
Frequently asked questions
What is 3GPP TR 21.904?
3GPP TR 21.904 is the 3GPP Technical Report for 3GPP UE Baseline Capabilities Requirements. Defines baseline capabilities for 3GPP UEs to enable worldwide roaming and network registration across all 3G networks.
Which 3GPP releases include TR 21.904?
TR 21.904 is part of 3GPP R99. The latest version on 3GPP Explorer is 3.5.0 (R99).
What category does TR 21.904 belong to?
TR 21.904 belongs to the Core Network (NAS) category of 3GPP specifications. It applies to 3G networks.
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