TETRA
[ar] شبكة التترا
[ca] TETRA
[cs] Terrestrial Trunked Radio
[da] TETRA (radiofoni)
[de] Terrestrial Trunked Radio
[es] Terrestrial Trunked Radio
[fi] Tetra (standardi)
[fr] Terrestrial Trunked Radio
[it] TETRA
[ja] 地上基盤無線