Release Rel-17
5G NRExtends 5G NR to new device classes and satellite access.
Frozen 2022-03-231,408 specifications
Key features: RedCap (NR-Light), NR-NTN, multicast/broadcast, XR support
All SeriesSeries 21Series 22Series 23Series 24Series 26Series 27Series 28Series 29Series 31Series 32Series 33Series 34Series 35Series 36Series 37Series 38
TS 36.444
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); M3 Application Protocol (M3AP)
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.445
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); M1 data transport
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.455
Evolved Universal Terrestrial Radio Access (E-UTRA); LTE Positioning Protocol A (LPPa)
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.456
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); SLm interface general aspects and principles
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.457
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); SLm interface layer 1
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.458
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); SLm interface signalling transport
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.459
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); SLm interface Application Protocol (SLmAP)
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.461
Evolved Universal Terrestrial Radio Access Network (E-UTRAN) and Wireless LAN (WLAN); Xw layer 1
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.462
Evolved Universal Terrestrial Radio Access Network (E-UTRAN) and Wireless LAN (WLAN); Xw signalling transport
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.463
Evolved Universal Terrestrial Radio Access Network (E-UTRAN) and Wireless Local Area Network (WLAN); Xw application protocol (XwAP)
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.464
Evolved Universal Terrestrial Radio Access Network (E-UTRAN) and Wireless Local Area Network (WLAN); Xw data transport
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.465
Evolved Universal Terrestrial Radio Access Network (E-UTRAN) and Wireless Local Area Network (WLAN); Xw interface user plane protocol
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.508
Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Packet Core (EPC); Common test environments for User Equipment (UE) conformance testing
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.509
Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Packet Core (EPC); Special conformance testing functions for User Equipment (UE)
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.521-1
Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) conformance specification; Radio transmission and reception; Part 1: Conformance testing
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.521-2
Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) conformance specification; Radio transmission and reception; Part 2: Implementation Conformance Statement (ICS)
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.521-3
Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) conformance specification; Radio transmission and reception; Part 3: Radio Resource Management (RRM) conformance testing
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.523-1
Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Packet Core (EPC); User Equipment (UE) conformance specification; Part 1: Protocol conformance specification
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.523-2
Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Packet Core (EPC); User Equipment (UE) conformance specification; Part 2: Implementation Conformance Statement (ICS) proforma specification
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.523-3
Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Packet Core (EPC); User Equipment (UE) conformance specification; Part 3: Test suites
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25