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 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 ...

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, ...

VSI-Viscount Systems Inc. designs, manufactures, markets and distributes access control systems, telephone entry systems, and elevator and emergency phones throughout Canada, the U.S. and other global ...