CARY, N.C.--(BUSINESS WIRE)--The Harvey Windows + Doors brand, a leader in the industry for more than 60 years and now part of the Cornerstone Building Brands family, proudly introduces its new Entry ...

Door entry systems provider Fermax advanced connected IoT ambitions by tapping Telefonica Tech to provide connectivity and ...

A security research firm says it discovered an “easily” exploitable vulnerability in a door entry security system used in government buildings and apartment complexes, but warns that the vulnerability ...

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 ...