The circuit provides a simple illustration of a door phone intercom system having a two-way communication using the features of LM386 amplifier. Intercom – short for intercommunication, is an ...

February, 2019 – Farmingdale NY. Alpha Communications® today announced that it has released its new AlphaTouch™ multi-family smartphone video-intercom system. AlphaTouch™ is designed to be the low ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. IP audio and control specialist Barix now supports Crestron Rava SIP intercom and phone ...

Hello, is Seymour Butz there? A damning new probe shows the cash-strapped MTA dropped a mind-boggling $250 million on an emergency subway intercom system where 50% of the calls are pranks — and ...

Google Home smart speakers can give you a summary of the latest news, control your lights and other smart home accessories, and now, stop everyone in your house from shouting, “Dinner’s ready!” or ...