Digital cellular telecommunications system (Phase 2) (GSM);Enhanced Full Rate (EFR) speech processing functions;General description (GSM 06.51 version 4.1.1) (Endorsed by Asociación Espanola de Normalización in October of 2021.)
NORMA vydána dne 1.10.2021
Designation standards: UNE-EN 301243V4.1.1
Publication date standards: 1.10.2021
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE