Digital cellular telecommunications system;Unstructured Supplementary Service Data (USSD);Stage 3 (GSM 04.90 version 5.0.1) (Endorsed by Asociación Espanola de Normalización in March of 2023.)
NORMA vydaná dňa 1.3.2023
Designation standards: UNE-ETS 300957ED1
Publication date standards: 1.3.2023
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE