DIN EN 300392-7:2013 Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 7: Security (Endorsement of the english version EN 300 392-7 V3.3.1 (2012-07) as German standard)
2019DIN EN 300392-7:2019-10 Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 7: Security (Endorsement of the English version EN 300 392-7 V3.5.1 (2019-07) as a German standard) / Note: DIN ETS standards collection*Endorsement notice
2017DIN EN 300392-7:2017 Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 7: Security (Endorsement of the English version EN 300 392-7 V3.4.1 (2017-01) as German standard)
2013DIN EN 300392-7:2013 Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 7: Security (Endorsement of the english version EN 300 392-7 V3.3.1 (2012-07) as German standard)
2011DIN EN 300392-7:2011 Terrestrial Trunked Radio (TETRA) - Voice plus Date (V+D) - Part 7: Security (Endorsement of the English version EN 300392-7 V3.2.1 (2010-06) as German standard)
2008DIN EN 300392-7:2008 Terrestrial Trunked Radio (TETRA) - Voice plus Date (V+D) - Part 7: Security (Endorsement of the English version EN 300392-7 V3.1.1 (2008-06) as German standard)