DIN EN 300396-6:2011 Terrestrial Trunked Radio (TETRA) - Direct Mode Operation (DMO) - Part 6: Security (Endorsement of the English version EN 300396-6 V1.4.1 (2010-07) as German standard)
2017DIN EN 300396-6:2017-02 Terrestrial Trunked Radio (TETRA) - Direct Mode Operation (DMO) - Part 6: Security (Endorsement of the English version EN 300 396-6 V1.6.1 (2016-11) as German standard) / Note: DIN ETS standards collection*Endorsement notice
2017DIN EN 300396-6:2017 Terrestrial Trunked Radio (TETRA) - Direct Mode Operation (DMO) - Part 6: Security (Endorsement of the English version EN 300 396-6 V1.6.1 (2016-11) as German standard)
2012DIN EN 300396-6:2012 Terrestrial Trunked Radio (TETRA) - Direct Mode Operation (DMO) - Part 6: Security (Endorsement of the English version EN 300 396-6 V1.5.1 (2012-09) as German standard)
2011DIN EN 300396-6:2011 Terrestrial Trunked Radio (TETRA) - Direct Mode Operation (DMO) - Part 6: Security (Endorsement of the English version EN 300396-6 V1.4.1 (2010-07) as German standard)