Digital cellular telecommunications system (Phase 2) (GSM); Interworking between Phase 1 infrastructure and Phase 2 Mobile Stations (MS) (GSM 09.90 version 4.9.0)
NORM herausgegeben am 30.10.1997
Designation standards: ETSI ETR 111-ed.7
Publication date standards: 30.10.1997
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: European technical standard
Kategorie: Technische Normen ETSI