Archived ASN.1 3GPP 5G/LTE Specifications
Older versions of 3GPP LTE specifications no longer in available versions of our 3GPP LTE APIs have been archived here. These archived specifications are available for the same protocols as the APIs (LTE-NR-RRC, NGAP, EUTRA-RRC, S1AP, etc).
5G New Radio (NR) LTE Specifications
New Radio (NR) Radio Resource Control (RRC) Protocol Specifications
New Radio (NR); E1 Application Protocol (E1AP) Specifications
| E1AP Release 18.0 |
| E1AP Release 17.7 |
| E1AP Release 17.6 |
| E1AP Release 17.5 |
| E1AP Release 16.15 |
| E1AP Release 16.14 |
| E1AP Release 16.13 |
| E1AP Release 15.13 |
New Radio (NR); F1 Application Protocol (F1AP) Specifications
| F1AP Release 18.2 |
| F1AP Release 18.0 |
| F1AP Release 17.9 |
| F1AP Release 17.8 |
| F1AP Release 17.7 |
| F1AP Release 16.18 |
| F1AP Release 16.17 |
| F1AP Release 16.16 |
| F1AP Release 15.17 |
New Radio (NR); NG Application Protocol (NGAP) Specifications
| NGAP Release 18.2 |
| NGAP Release 18.0 |
| NGAP Release 17.9 |
| NGAP Release 17.8 |
| NGAP Release 17.7 |
| NGAP Release 16.14 |
| NGAP Release 16.12 |
| NGAP Release 16.11 |
| NGAP Release 15.13 |
New Radio (NR); Xn Application Protocol (XnAP) Specifications
| XnAP Release 18.2 |
| XnAP Release 18.0 |
| XnAP Release 17.9 |
| XnAP Release 17.8 |
| XnAP Release 17.7 |
| XnAP Release 16.18 |
| XnAP Release 16.17 |
| XnAP Release 16.16 |
| XnAP Release 15.18 |
New Radio (NR); Positioning Protocol A (NRPPa) Specifications
| NRPPa Release 18.2 |
| NRPPa Release 18.0 |
| NRPPa Release 17.7 |
| NRPPa Release 17.6 |
| NRPPa Release 17.4 |
| NRPPa Release 16.11 |
| NRPPa Release 16.9 |
| NRPPa Release 16.7 |
| NRPPa Release 15.4 |
LTE Specifications
Evolved Universal Terrestrial Radio Access (E-UTRA); Radio Resource Control (RRC) Protocol Specifications
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); S1 Application Protocol (S1AP) Specifications
| S1AP Release 18.0 |
| S1AP Release 17.4 |
| S1AP Release 17.2 |
| S1AP Release 17.0 |
| S1AP Release 16.12 |
| S1AP Release 16.10 |
| S1AP Release 16.9 |
| S1AP Release 15.11 |
| S1AP Release 14.9 |
| S1AP Release 13.8 |
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); X2 Application Protocol (X2AP) Specifications
| X2AP Release 18.0 |
| X2AP Release 17.6 |
| X2AP Release 17.5 |
| X2AP Release 17.4 |
| X2AP Release 16.12 |
| X2AP Release 16.11 |
| X2AP Release 16.9 |
| X2AP Release 15.14 |
| X2AP Release 14.8 |
| X2AP Release 13.8 |
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); LTE Positioning Protocol (LPP) Specifications
| LPP Release 18.0 |
| LPP Release 17.7 |
| LPP Release 16.12 |
| LPP Release 15.3 |
| LPP Release 14 |
| LPP Release 13 |
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); M2 Application Protocol (M2AP) Specifications
| M2AP Release 16.0 |
| M2AP Release 15.0 |
| M2AP Release 14.1 |
| M2AP Release 13.3 |
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); M3 Application Protocol (M3AP) Specifications
| M3AP Release 15.0 |
| M3AP Release 14.1 |
| M3AP Release 13.2 |