
Terrestrial Trunked Radio (TETRA);Voice plus Data (V+D);Part 11: Supplementary services stage 2;Sub-part 20: Discreet Listening (DL) (Endorsed by Asociación Espanola de Normalización in July of 2022.)
STANDARD published on 1.7.2022
Designation standards: UNE-ETS 300392-11-20ED1
Publication date standards: 1.7.2022
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Category: Technical standards UNE