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 ...

Is it enough to equip anti-theft gates with one or two readers in the entrance area, about 12 meters apart, or is it necessary to put readers on every gate from both sides? Do these readers cost the ...

COTO DE CAZA – Some of the people behind the gates at Coto de Caza could end up stuck outside those gates this week. The community uses transponder technology to lift the gate arms for residents as ...

Baltimore County Public Schools plans to implement enhanced safety screening at athletic events next month. In an email sent Thursday to parents and guardians, the district said it’s implementing the ...