Digital cellular telecommunications system (Phase 2+) (GSM); Base Station System (BSS) equipment specification; Radio aspects (3GPP TS 51.021 version 13.9.0 Release 13)
NORMA vydána dne 8.4.2020
Designation standards: ETSI TS 151021-V13.9.0
Publication date standards: 8.4.2020
The number of pages: 256
Approximate weight : 799 g (1.76 lbs)
Country: European technical standard
Kategorie: Technické normy ETSI