European digital cellular telecommunications system (Phase 2);General on supplementary services (GSM 02.04) (Endorsed by Asociación Espanola de Normalización in September of 2022.)
NORMA vydaná dňa 1.9.2022
Designation standards: UNE-ETS 300503/A1ED1
Note: Zmena
Publication date standards: 1.9.2022
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE