Digital cellular telecommunications system (Phase 2+); Mobile Station - Base Station System (MS - BSS) interface; Data Link (DL) layer specification (GSM 04.06 version 6.1.1 Release 1997)
gültig ab
2024-10-01
internat. Übereinstimmung
EN IEC 61169-10 (2024) , ident ETSI EN 300 938 V6.1.1 (1999 12) , ident