English English English TETRA English http://en.wikipedia.org/wiki/Terrestrial_Trunked_R... Terrestrial Trunked Radio English TETRA http://en.wikipedia.org/wiki/Terrestrial_Trunked_R... http://en.wikipedia.org/wiki/Terrestrial_Trunked_Radio English English English English English English English English TETRA TETRA English English TETRA TETRA TETRA English some parts of the world http://en.wikipedia.org/wiki/Terrestrial_Trunked_R... TETRA http://en.wikipedia.org/wiki/Terrestrial_Trunked_Radio Terrestrial Trunked Radio English English http://en.wikipedia.org/wiki/Terrestrial_Trunked_R... TETRA-nät TETRA http://en.wikipedia.org/wiki/Terrestrial_Trunked_R... Tetra TETRA Terrestrial Trunked Radio TETRA (TErrestrial Trunked RAdio) TETRA http://en.wikipedia.org/wiki/Terrestrial_Trunked_R... http://en.wikipedia.org/wiki/Terrestrial_Trunked_R... http://en.wikipedia.org/wiki/Terrestrial_Trunked_Radio TETRA usage English http://en.wikipedia.org/wiki/Terrestrial_Trunked_R... English TETRA http://en.wikipedia.org/wiki/Terrestrial_Trunked_Radio Terrestrial Trunked Radio (TETRA) http://en.wikipedia.org/wiki/Terrestrial_Trunked_Radio Terrestrial Trunked Radio English http://en.wikipedia.org/wiki/Terrestrial_Trunked_R... Terrestrial Trunked Radio English some parts of the world English http://en.wikipedia.org/wiki/Terrestrial_Trunked_Radio Terrestrial Trunked Radio firefighters in Hong Kong or the police in Ireland http://en.wikipedia.org/wiki/Terrestrial_Trunked_R... Tetra system English TETRA TETRA http://en.wikipedia.org/wiki/Terrestrial_Trunked_R... http://en.wikipedia.org/wiki/Terrestrial_Trunked_R... firefighters in Hong Kong or the police in Ireland Terrestrial Trunked Radios TETRA http://en.wikipedia.org/wiki/Terrestrial_Trunked_R... http://en.wikipedia.org/wiki/Terrestrial_Trunked_Radio http://en.wikipedia.org/wiki/Terrestrial_Trunked_Radio TETRA http://en.wikipedia.org/wiki/Terrestrial_Trunked_R adio English English http://en.wikipedia.org/wiki/Terrestrial_Trunked_R... TETRA English English English English TETRA English English TETRA English TETRA TETRA http://en.wikipedia.org/wiki/Terrestrial_Trunked_Radio TETRA-nät TETRA Terrestrial Trunked Radio (TETRA) equipment English Terrestrial Trunked Radio English TETRA technology