EWBS Emergency Ịdọ aka na ntị Broadcast System
The Emergency Warning Broadcast System (EWBS) agụnye ọhụrụ technology n'ime n'oge ịdọ aka ná ntị usoro n'akụkụ omenala ụzọ nke nkwurịta okwu.
EWBS bụ a remote ebighị usoro maka Radio & TV na-enyefe ndị na-ege ntị na ndị na-ege ntị ozi gbasara ịdọ aka ná ntị / ịdọ aka ná ntị banyere ọdachi dị mkpa. EWBS bụ akụkụ nke Integrated Services Digital Broadcast-Terrestrial (ISDB-T) usoro, nke a na-na mbụ kere Japan.
The ISDB-T ọkọlọtọ e kuchiri karịa 15 mba na-adịbeghị anya. Japan, Brazil, Argentina, Peru, Philippines, Maldives, Uruguay, Chile, Venezuela, Ecuador, Costa Rica, Paraguay, Bolivia, Nicaragua, Guatemala, Belize, Botswana, Sri Lanka, El Salvador ISDB-T Digital TV Receiver na Digital Terrestrial Television (DTT).