Nortek Security & Control today introduced its browser-managed Linear Entry Pro EP-736, EP-436 and EP-402 telephone entry systems Linear designed the Entry Pro “to enable small businesses, gated ...

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 ...

LAS VEGAS--(BUSINESS WIRE)--At FENCETECH’08 this week, Linear LLC, an innovator in telephone entry, access control, gate operator and radio control products, will demonstrate its new generation of ...

Inglewood, CA – DoorKing is introducing a new version of the highly popular 1812 residential telephone entry system to the market – the 1812i! The 1812i is the most advanced and versatile telephone ...

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 ...

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 ...

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 ...

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 ...

CARLSBAD, Calif.--(BUSINESS WIRE)--Linear LLC, one of the market innovators in access control, gate operators and doors, and security systems, will display a diverse set of products that can help ...