Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 12: Supplementary services stage 3; Sub-part 21: Ambience Listening (AL)
STANDARD published on 1.11.2012
Designation standards: ČSN ETSI EN 300392-12-21-V1.5.1
Classification mark: 875042
Catalog number: 91648
Publication date standards: 1.11.2012
The number of pages: 40
Approximate weight : 120 g (0.26 lbs)
Country: Czech technical standard
Category: Technical standards ČSN