Terrestrial Trunked Radio (TETRA);Voice plus Data (V+D);Part 3: Interworking at the Inter-System Interface (ISI);Sub-part 9: Transport layer independent, General design (Endorsed by Asociación Espanola de Normalización in July of 2021.)
STANDARD published on 1.7.2021
Designation standards: UNE-EN 300392-3-9V1.2.1
Publication date standards: 1.7.2021
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Category: Technical standards UNE