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 ...

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 ...

Videx has enhanced two of its door entry and access control systems, adding a new remote relay module to its 4G GSM offering and the VX2300 door entry video intercom. The new remote relays create a ...

Salto announces the launch of the XS4 Com iGO cloud-based door intercom, an advanced video intercom solution engineered to seamlessly integrate with modern digital lifestyles across residential, ...

Fermax DIG. Extra DUOX video marine panel ST3 video intercom system Fermax 5526 DIG. EXTRA DUOX VIDEO MARINE PANEL ST3 Fermax 9458 DUOX PLUS VEO-XS 4.3" (16:9) monitor Fermax 9459 DUOX PLUS VEO-XS ...

Packet-based networks, however, provide a high degree of flexibility versus legacy analog systems. IP-based door-entry systems now enable viewers to observe images from any number of surveillance ...

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 ...