UNE-ETS 300937 Ed1:2023 Digital cellular telecommunications system;Data Link (DL) layer;General aspects (GSM 04.05 version 5.0.1) (Endorsed by Asociación Española de Normalización in February of 2023.)
2023UNE-ETS 300937 Ed1:2023 Digital cellular telecommunications system;Data Link (DL) layer;General aspects (GSM 04.05 version 5.0.1) (Endorsed by Asociación Española de Normalización in February of 2023.)