Door Openers and Operators

Jensen, Joel
August 2010
Security: Solutions for Enterprise Security Leaders;Aug2010, Vol. 47 Issue 8, p67
Trade Publication
The article presents the author's views regarding door openers which are sometimes called as operators. He believes on the importance of door openers when it comes to electronic access control in retrofit and new projects. He cites several examples of door openers which include retrofitting electrically operated openers like time delay modules or TDMs which are handy devices and the pneumatic openers.


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