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There are various types of access control systems available. Buzzer/intercom systems are becoming widely used in blocks of flats. These enable the householder to identify persons known to them before allowing them into the building. More sophisticated systems will allow the householder to view on video who is at the front entrance.
Many business and clubs are now installing entry control systems. These take the form of video entry systems, swipe card or key systems which activate doors when passed through a sensor.
Many security companies are now providing access control systems. The advertisers on this site would be pleased to give further details.
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