European digital cellular telecommunications system (Phase 1); Mobile Station - Base Station System (MS - BSS) interface; Data link layer specification (GSM 04.06)
STANDARD published on 31.5.1992
Designation standards: ETSI I-ETS 300021-ed.1
Publication date standards: 31.5.1992
The number of pages: 85
Approximate weight : 286 g (0.63 lbs)
Country: European technical standard
Category: Technical standards ETSI