DIN EN 300396-6:2011 地面中继电系统(TETRA)- 直接模式操作(DMO).第6部分:安全(英文版核准本EN 300396-6 V1.4.1 (2010-07)作为德国标准)
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)