"Korean 0.5W Wireless Technology Prevents U.S. School Gunfires"… Addeleco Pushes for Legislation on Mandatory Classroom Emergency Broadcasting System Installation

The moment a gun incident occurs in a U.S. school classroom, the means for a teacher to ａｌｅｒｔ their colleagues and students to the "now" are surprisingly inadequate. This is because most U.S. school broadcasting systems utilize a wired PA structure where public addressing is only possible by passing