
Digital cellular telecommunications system (Phase 2+); GSM radio aspects base station system equipment specification (3GPP TS 51.021 version 4.4.0 Release 4)
NORMA vydaná dňa 30.6.2003
Designation standards: ETSI TS 151021-V4.4.0
Publication date standards: 30.6.2003
The number of pages: 163
Approximate weight : 520 g (1.15 lbs)
Country: European technical standard
Kategória: Technické normy ETSI