Keyscan Tailgating Detection System

Whitby, Ontario, Canada-based Keyscan Inc. releases its tailgating detection device (TDS) for high security applications.

The TDS system uses a curtain of 32 infrared (IR) sensors to determine if more than one person has passed through to a secure area on a single valid card read. The TDS triggers an audible alarm, alerting anyone in the area of the security breach, as well as activating an alarm relay that can be interfaced with an access control system, according to the company.

Each TDS system comes with a Keyscan reader that can be installed within the unit.


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