Release Rel-15
5G NRThe foundational 5G New Radio release, defining the NR air interface and 5G core.
Frozen 2018-06-141,188 specifications
Key features: First 5G NR specifications, NSA and SA architectures
All SeriesSeries 21Series 22Series 23Series 24Series 26Series 27Series 28Series 29Series 31Series 32Series 33Series 34Series 35Series 36Series 37Series 38
TS 33.163
Battery Efficient Security for very low throughput Machine Type Communication (MTC) devices (BEST)
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.180
Security of the Mission Critical (MC) service
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.185
Security aspect for LTE support of Vehicle-to-Everything (V2X) services
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.187
Security aspects of Machine-Type Communications (MTC) and other mobile data applications communications enhancements
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.210
Network Domain Security (NDS); IP network layer security
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.216
Security Assurance Specification (SCAS) for the evolved Node B (eNB) network product class
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.220
Generic Authentication Architecture (GAA); Generic Bootstrapping Architecture (GBA)
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.221
Generic Authentication Architecture (GAA); Support for subscriber certificates
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.222
Generic Authentication Architecture (GAA); Access to network application functions using Hypertext Transfer Protocol over Transport Layer Security (HTTPS)
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.223
Generic Authentication Architecture (GAA); Generic Bootstrapping Architecture (GBA) Push function
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.224
Generic Authentication Architecture (GAA); Generic Bootstrapping Architecture (GBA) push layer
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.250
Security assurance specification for the PGW network product class
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.259
Key establishment between a UICC hosting device and a remote device
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.303
Proximity-based Services (ProSe); Security aspects
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.310
Network Domain Security (NDS); Authentication Framework (AF)
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.320
Security of Home Node B (HNB) / Home evolved Node B (HeNB)
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.328
IP Multimedia Subsystem (IMS) media plane security
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.401
3GPP System Architecture Evolution (SAE); Security architecture
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.402
3GPP System Architecture Evolution (SAE); Security aspects of non-3GPP accesses
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.501
Security architecture and procedures for 5G System
Security
Rel-15TSSecurityUpdated 2026-07-25