LST EN 300 912 V6.6.1-2007 Digital cellular telecommunications system (Phase 2+);Radio subsystem synchronization (GSM 05.10 version 6.6.1 Release 1997)
2007LST EN 300 912 V6.6.1-2007 Digital cellular telecommunications system (Phase 2+);Radio subsystem synchronization (GSM 05.10 version 6.6.1 Release 1997)