For smaller commercial telephone entry installations, Linear has developed the AE-100. The new system supports 125 directory or personal entry codes, eliminating the need for ongoing incremental ...

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 ...

The Castlegate Wireless telephone entry system by Corona, Calif.-based Trigon Electronics Inc. is a hands-free system that uses the latest VoIP technology and non-line-of-sight 900MHz broadband RF ...

The guiding principle behind Linear’s AE-1000 is that a telephone entry system should be a model of simplicity. Easy to specify. Easy to install. Easy to configure. Easy to expand. And above all, ...

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 ...

We may receive a commission from our partners if you click on a link to review or purchase a product or service. Click to Learn More Zoom Phone is a low-cost VoIP platform, starting at only $10 per ...

The best business phone services are packed with communication features that go beyond basic calling capabilities. From video conferencing to team chat, texting and automation, teams get everything ...

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 ...

A remote keyless entry system is a handy addition to any car. You can use your remote to lock and unlock the doors and open the trunk or hatchback. For people who don't like fumbling around with keys, ...