Digital cellular telecommunications system (Phase 2) (GSM);Mobile radio interface;Layer 3 specification (GSM 04.08 version 4.21.1) (Endorsed by Asociación Española de Normalización in October of 2022.)
| AENOR | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Name | UNE-ETS 300557 Ed10 |
