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 ...

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 ...

A motorcycle Bluetooth intercom system with a very different approach to control layout that makes it very easy to use. Very loud volume and excellent sound quality also. The Sena “Jog Dial” is a new ...

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 ...

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 ...

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 ...

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 ...

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 ...