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 ...

My condo has an analog intercom/buzzer system. When someone buzzes up, it rings the line in my unit. It it hardwired into the condo - I have no landline service. I can then pick up the call and press ...

If you've got a video intercom system, the Ring Intercom will now play nicely, letting you see who's at the door from your phone .

Users will be able to connect with their apartment building's intercom system to talk to guests and buzz them in right from their phone. Originally hailing from Troy, Ohio, Ry Crist is a writer, a ...

Inglewood, CA – DoorKing is introducing the model 2112evolve Video Telephone Entry System to its line of telephone entry and access control products. The cloud based system can store virtually an ...

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 ...

Announced during its "Hi, Speed" event, Apple showed off a new feature for iPhone, Apple Watch, iPad, HomePod, and HomePod mini called Intercom that allows you to easily communicate with your family.