Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 10: Supplementary services stage 1; Sub-part 21: Ambience Listening (AL)
STANDARD published on 1.3.2004
Designation standards: STN EN 300392-10-21-V1.2.1
Classification mark: 870392
Catalog number: 93493
Publication date standards: 1.3.2004
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: Slovak technical standard
Category: Technical standards STN