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 34.123-2
User Equipment (UE) conformance specification; Part 2: Implementation conformance statement (ICS) proforma specification
Conformance Testing
Rel-15TSConformance TestingUpdated 2026-07-26
TS 34.123-3
User Equipment (UE) conformance specification; Part 3: Abstract test suite (ATS)
Conformance Testing
Rel-15TSConformance TestingUpdated 2026-07-26
TS 34.124
Electromagnetic compatibility (EMC) requirements for mobile terminals and ancillary equipment
Conformance Testing
Rel-15TSConformance TestingUpdated 2026-07-26
TS 34.131
Test Specification for C-language binding to (Universal) Subscriber Interface Module ((U)SIM) Application Programming Interface (API)
Conformance Testing
Rel-15TSConformance TestingUpdated 2026-07-26
TS 34.229-1
Internet Protocol (IP) multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); User Equipment (UE) conformance specification; Part 1: Protocol conformance specification
Conformance Testing
Rel-15TSConformance TestingUpdated 2026-07-26
TS 34.229-2
Internet Protocol (IP) multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); User Equipment (UE) conformance specification; Part 2: Implementation Conformance Statement (ICS) specification
Conformance Testing
Rel-15TSConformance TestingUpdated 2026-07-26
TS 34.229-3
Internet Protocol (IP) multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); User Equipment (UE) conformance specification; Part 3: Abstract test suite (ATS)
Conformance Testing
Rel-15TSConformance TestingUpdated 2026-07-26
TS 34.229-5
Internet Protocol (IP) multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); User Equipment (UE) conformance specification; Part 5: Protocol conformance specification using 5G System (5GS)
Conformance Testing
Rel-15TSConformance TestingUpdated 2026-07-26
TS 34.926
Electromagnetic compatibility (EMC); Table of international requirements for mobile terminals and ancillary equipment
Conformance Testing
Rel-15TSConformance TestingUpdated 2026-07-26
TS 35.215
Specification of the 3GPP Confidentiality and Integrity Algorithms UEA2 & UIA2; Document 1: UEA2 and UIA2 specifications
Security
Rel-15TSSecurityUpdated 2026-07-26
TS 35.216
Specification of the 3GPP Confidentiality and Integrity Algorithms UEA2 & UIA2; Document 2: SNOW 3G specification
Security
Rel-15TSSecurityUpdated 2026-07-26
TS 35.217
Specification of the 3GPP Confidentiality and Integrity Algorithms UEA2 & UIA2; Document 3: Implementors' test data
Security
Rel-15TSSecurityUpdated 2026-07-26
TS 35.218
Specification of the 3GPP Confidentiality and Integrity Algorithms UEA2 & UIA2; Document 4: Design conformance test data
Security
Rel-15TSSecurityUpdated 2026-07-26
TS 35.221
Specification of the 3GPP Confidentiality and Integrity Algorithms EEA3 & EIA3; Document 1: EEA3 and EIA3 specifications
Security
Rel-15TSSecurityUpdated 2026-07-26
TS 35.222
Specification of the 3GPP Confidentiality and Integrity Algorithms EEA3 & EIA3; Document 2: ZUC specification
Security
Rel-15TSSecurityUpdated 2026-07-26
TS 35.223
Specification of the 3GPP Confidentiality and Integrity Algorithms EEA3 & EIA3; Document 3: Implementors' test data
Security
Rel-15TSSecurityUpdated 2026-07-26
TS 35.231
Specification of the TUAK algorithm set: A second example algorithm set for the 3GPP authentication and key generation functions f1, f1*, f2, f3, f4, f5 and f5*; Document 1: Algorithm specification
Security
Rel-15TSSecurityUpdated 2026-07-26
TS 35.232
Specification of the TUAK algorithm set: A second example algorithm set for the 3GPP authentication and key generation functions f1, f1*, f2, f3, f4, f5 and f5*; Document 2: Implementers’ test data
Security
Rel-15TSSecurityUpdated 2026-07-26
TS 35.233
Specification of the TUAK algorithm set: A second example algorithm set for the 3GPP authentication and key generation functions f1, f1*, f2, f3, f4, f5 and f5*; Document 3: Design conformance test data
Security
Rel-15TSSecurityUpdated 2026-07-26
TS 35.919
Specification of the 3GPP Confidentiality and Integrity Algorithms UEA2 & UIA2; Document 5: Design and evaluation report
Security
Rel-15TSSecurityUpdated 2026-07-26