Digital cellular telecommunications system (Phase 2) (GSM);Mobile radio interface;Layer 3 specification (GSM 04.08 version 4.21.1) (Endorsed by Asociación Espanola de Normalización in October of 2022.)
NORMA vydána dne 1.10.2022
Designation standards: UNE-ETS 300557ED10
Publication date standards: 1.10.2022
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE