Broward schools botched an effort to replace outdated high school intercom systems with ones equipped to assist in an emergency, resulting in more than 60% of schools not having “properly functioning” ...

REDMOND, Wash. –Aiphone has announced the new GT-1C7W app enabled dual audio and video tenant station that offers on-the-go tenants a convenient method of screening visitors while away. The station is ...

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 ...

Upgrading a two-wire analogue intercom to a conventional IP video system typically involves messy and costly rewiring work. So what happens if users want to install over 500 IP systems into a single ...

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 ...