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 ...

If you’ve ever played (or followed) any sports as a kid or an adult, you’ve probably heard the numerous versions of lessons ...

Forbes contributors publish independent expert analyses and insights. I am an investigative attorney and physical security specialist. Many buildings, including apartment and condo complexes, are ...

I recently received a notice from our landlord informing us that they’re replacing our building’s buzzer system, which is in desperate need of replacement. However, they’re replacing it with a “state ...

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 ...

When I moved into my Inner Richmond studio apartment in 2019, one particular amenity struck me as a bit unusual. Like most aging apartment buildings, mine came with its quirks: an ironing board that ...

In 2022, the global Counter Intercom System market reached a valuation of US$ 1526.1 million. With increasing demand across various sectors, the market is expected to expand to US$ 2328.8 million by ...

As television moved out of the laboratory and into regular broadcasting schedules during the decade of the 1930s, it was obvious early on that the “hand signal” methodology used in radio broadcasts ...

One little-known staple in armored passenger cars and SUVs for the past several decades has been the intercom system. They've been around since German automakers and coachbbuilders entered the factory ...