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 36.331
Evolved Universal Terrestrial Radio Access (E-UTRA); Radio Resource Control (RRC); Protocol specification
Protocol
Rel-17TSLTEUpdated 2026-07-25
TS 36.355
Evolved Universal Terrestrial Radio Access (E-UTRA); LTE Positioning Protocol (LPP)
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.360
Evolved Universal Terrestrial Radio Access (E-UTRA); LTE-WLAN Aggregation Adaptation Protocol (LWAAP) specification
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.361
Evolved Universal Terrestrial Radio Access (E-UTRA); LTE-WLAN Radio Level Integration Using Ipsec Tunnel (LWIP) encapsulation; Protocol specification
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.401
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Architecture description
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.410
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); S1 general aspects and principles
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.411
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); S1 layer 1
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.412
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); S1 signalling transport
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.413
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); S1 Application Protocol (S1AP)
Interface
Rel-17TSLTEUpdated 2026-07-25
TS 36.414
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); S1 data transport
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.420
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); X2 general aspects and principles
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.421
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); X2 layer 1
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.422
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); X2 signalling transport
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.423
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); X2 Application Protocol (X2AP)
Interface
Rel-17TSLTEUpdated 2026-07-25
TS 36.424
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); X2 data transport
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.425
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); X2 interface user plane protocol
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.440
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); General aspects and principles for interfaces supporting Multimedia Broadcast Multicast Service (MBMS) within E-UTRAN
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.441
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Layer 1 for interfaces supporting Multimedia Broadcast Multicast Service (MBMS) within E-UTRAN
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.442
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Signalling Transport for interfaces supporting Multimedia Broadcast Multicast Service (MBMS) within E-UTRAN
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25
TS 36.443
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); M2 Application Protocol (M2AP)
Architecture
Rel-17TSLTE-Advanced ProUpdated 2026-07-25