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 ...

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 ...

[Zak]’s two-floor apartment has a typical door entry control system, but the setup is less than ideally convenient. The wall-mounted telephone-like intercom is downstairs, but [Zak] is usually ...

With the Galaxy Control Systems efficient IP Intercom Entry System, users can gain entry to a facility using a traditional key fob, a PIN or a Bluetooth credential. System administrators can allow ...

Camden's TAC IP integrated VOIP and browser based telephone entry and access control system offers exceptional value, a full range of advanced system features and a rugged design for years of ...

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 ...

Lexington, Mass.-based Kantech’s Telephone Entry System is an integrated telephone entry intercom and access control panel is designed for applications including multi-tenant apartment buildings and ...

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 ...