DIN EN 300392-12-21:2011-08 Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 21: Ambience Listening (AL) (Endorsement of the English version EN 300392-12-21 V1.4.1 (2011-04) as German standard)

标准编号：DIN EN 300392-12-21:2011-08

英文标题：Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 21: Ambience Listening (AL) (Endorsement of the English version EN 300392-12-21 V1.4.1 (2011-04) as German standard)

德文标题：Terrestrischer Bündelfunk (TETRA) - Sprache und Daten (V+D) - Teil 12: Dienstmerkmale Stufe 3 - Teil 12-21: Umgebung Hören (AL) (Anerkennung der Englischen Fassung EN 300392-12-21 V1.4.1 (2011-04) als Deutsche Norm)

发布日期：2011-08

DIN EN 300392-12-21:2011-08 Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 21: Ambience Listening (AL) (Endorsement of the English version EN 300392-12-21 V1.4.1 (2011-04) as German standard)

标准预览图