Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 11: Supplementary services stage 2; Sub-part 21: Ambience Listening (AL)
STANDARD published on 1.12.2003
Designation standards: STN EN 300392-11-21-V1.1.1
Classification mark: 870392
Catalog number: 92071
Publication date standards: 1.12.2003
The number of pages: 26
Approximate weight : 78 g (0.17 lbs)
Country: Slovak technical standard
Category: Technical standards STN