The circuit employs the functions of reed switches to produce a gate alarm that is powered by a universal AC/DC power supply. The circuit employs the functions of reed switches to produce a gate alarm ...

QUEBEC CITY—Automatic Systems, a manufacturer of pedestrian and vehicle entrance control access systems, announced that two of its automatic gates—the BLG 76 and BLG 77—have earned ETL listing to UL ...

Hialeah, FL - May 25, 2016 - Select Entry Systems, a Division of Select Engineered Systems, Inc. announced immediate availability of The Cellular Select Gate Series products Providing owners with a ...

Purchasing a home security system once required having a technician come into your house to punch holes in your walls, then snake wires to every door and window ...