Terrestrial Trunked Radio (TETRA) - Technical requirements for Direct Mode Operation (DMO) - Part 1: General network design (Endorsement of the English version ETS 300396-1:1998 as German standard)
Terrestrial Trunked Radio (TETRA) - Technical requirements for Direct Mode Operation (DMO) - Part 3: Mobile Station to Mobile Station (MS-MS) Air Interface (AI) protocol (Endorsement of the English version ETS 300396-3:1998 as German standard)
Terrestrial Trunked Radio (TETRA) - Technical requirements for Direct Mode Operation (DMO) - Part 5: Gateway air interface (Endorsement of the English version ETS 300396-5:2000-01 as German Standard)
Terrestrial Trunked Radio (TETRA) - Direct Mode Operation (DMO) - Part 6: Security (Endorsement of the English version ETS 300396-6:1998 as German standard)
Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 2: Air Interface (AI) (Endorsement of the English version EN 300392-2 V 2.1.1 (2000-12) as German Standard)— 1 стр.