Alarm.com introduces a QR code–based Video Intercom Mobile Directory that enables low-cost visitor access and remote door ...

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 ...

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 ...

Alarm.com (Nasdaq: ALRM), the leading platform for intelligently connected properties, today announced the release of its new low-cost Video Intercom Mobile Directory, an innovative solution for ...