ETS 300 392-12-22 Ed.1 (2000)现行
Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 12: Supplementary services stage 3; Sub-part 22: Dynamic Group Number Assignment (DGNA)
出版：European Telecommunications Standards Institute
专家解读视频
Analysis of predicted needs for digital trunked systems in Europe; definition of services to be provided, analysis of spectrum requirements; characteristics of relevant interfaces Contains: TETRA 14.60/85
DIN ETS 300392-12-22 (2001-08) - Identical
ONORM ETS 300392-12-22:2000 - Identical
NBN ETS 300 392 12-22:2000 - Identical
PN ETS 300 392-12-22:2005 - Identical
SS ETS 300 392-12-22 Ed. 1 (2000) - Identical
