Digital cellular telecommunications system (Phase 2) (GSM); Mobile radio interface; Layer 3 specification (GSM 04.08 version 4.19.2)
NORMA vydána dne 31.12.1997
Designation standards: ETSI ETS 300557-ed.9
Publication date standards: 31.12.1997
The number of pages: 462
Approximate weight : 1417 g (3.12 lbs)
Country: European technical standard
Kategorie: Technické normy ETSI