DIN EN 300392-5:2020-07
Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) and Direct Mode Operation (DMO) - Part 5: Peripheral Equipment Interface (PEI) (Endorsement of the English version EN 300 392-5 V2.7.1 (2020-04) as a German standard) / Note: DIN ETS standards c...