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 ...

In most business environments, telephone calls are typically handled by a receptionist or directed to specific extensions using an internal intercom system. The technology enabling this seamless ...

On his blog, [Kenneth Finnegan] recently showed off a replica of a fun toy he used to play with as a kid, a telephone intercom system. The setup is pretty simple, requiring little more than a pair of ...

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 ...

The BikerCom (aka Biker Com) intercom and communications system is a relatively new product. It’s a unique hybrid system, combining wired and wireless features to get the job done. It may not satisfy ...

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 ...

Many buildings, including apartment and condo complexes, are still relying upon the old 125 KHz RFID key fobs as part of their access control systems. As I wrote in an article in 2018, these are ...