radiocommunications à ressources partagées | radiocommunications européennes à ressources partagées | radiocommunications terrestres à ressources partagées | Terrestrial Trunked Radio | Trans European Trunked Radio | TETRA [Abbr.]
Terrestrial Trunked Radio | Trans European Trunked Radio | TETRA [Abbr.]
IATE - European construction | Communications | Technology and technical regulations
IATE - European construction | Communications | Technology and technical regulations