Your public address (PA) system may work well for announcing assemblies, yesterday’s sports highlights, upcoming events and other routine information, but how does it stack up when there is an ...

Thousands of intercom and public address (PA) systems are in schools today, and these workhorses have been around for more than a century. Most of us remember being in school, hearing announcements ...

MIDDLETOWN, Pa. (WHTM) — An incident where an unauthorized user gained access to Harrisburg International Airport’s public address system could have been much worse, a security expert said. Airport ...

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You’re standing in the terminal, earbuds in, trying to zone out before your flight boards. Maybe you’re sipping overpriced coffee, or juggling kids and carry-ons, or just praying your flight isn’t ...