EN 300 392-9 : 1.5.1现行
TERRESTRIAL TRUNKED RADIO (TETRA); VOICE PLUS DATA (V+D); PART 9: GENERAL REQUIREMENTS FOR SUPPLEMENTARY SERVICES
出版：European Telecommunications Standards Institute
专家解读视频
Describes principles and requirements generally applicable to the stage 2 and 3 descriptions of supplementary services for the Terrestrial Trunked Radio (TETRA).
DIN EN 300392-9 : 2012 - Identical
NF EN 300392-9 : 2012 - Identical
DS EN 300392-9 : 2012 - Identical
NBN EN 300 392-9 : 2012 - Identical
PN EN 300 392-9 : 2012 - Identical
NEN EN 300392-9 : 2012 - Identical
I.S. EN 300 392-9:2001 - Identical
