EWBS (Emergency Warning Broadcast System)
ISDB-T

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 that transmits alert/warning information to viewers and listener about a relevant disaster.

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.