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How Does A Keyless
Door Entry System Work?
A Keyless Entry System has a card
"reader" which is mounted outside
the entrance door. This "reader" is wired
to a "controller"
unit which can be up to 500 feet away from the door.
The "controller" should be mounted in
a secure location, like an office.
An access card or secret PIN number is then
presented to the "reader" which
in turn communicates with the "controller."
If the person entered the correct PIN and/or
Card, then the "controller" sends
a signal to unlatch the door. This system
does not need to include the keypad reader
for a PIN to be entered. In fact, the system
we suggest is a Proximity Card system, in
which a Proximity Card is simply passed wihtin
6 inches of the reader in order to send its
data (similar to the EZ-Pass on the Thruways).
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Our free Presentation
explains all of this information in explicit detail.
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