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 ...

Any landlord managing multiple apartments should understand the importance of installing an apartment intercom system with door release functionality. From helping you monitor who visits to providing ...

One of the best ways to improve efficiency in a small office environment is to reduce the amount of time spent traveling between departments. An intercom system that connects the front desk to a back ...

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 ...

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 ...