Digital cellular telecommunications system (Phase 2) (GSM); Mobile radio interface; Layer 3 specification (GSM 04.08)
STANDARD published on 15.1.1997
Designation standards: ETSI ETS 300557-ed.7
Publication date standards: 15.1.1997
The number of pages: 459
Approximate weight : 1408 g (3.10 lbs)
Country: European technical standard
Category: Technical standards ETSI