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  • Tel: +86 755 2663 1504
  • Fax: +86 755 2663 1504
  • E-mail: sales@omtrfid.com
                info@omtrfid.com
  • Add: Room D-1401,Cuihu Business Center Dahe Road, Longhua New District, Shenzhen 518109

An access control point can be a door, turnstile, parking gate, elevator, or other physical barrier, where granting access can be electronically controlled.


Typically, the access point is a door. An electronic access control door can contain several elements. At its most basic, there is a stand-alone electric lock. The lock is unlocked by an operator with a switch. To automate this, operator intervention is replaced by a reader. The reader could be a keypad where a code is entered, it could be a card reader or it could be a biometric reader. Readers do not usually make an access decision, but send a card number to an access control panel that verifies the number against an access list. To monitor the door position a magnetic door switch can be used. In concept, the door switch is not unlike those on refrigerators or car doors. Generally only entry is controlled, and exit is uncontrolled. In cases where exit is also controlled, a second reader is used on the opposite side of the door. In cases where exit is not controlled, free exit, a device called a request-to-exit (REX) is used. Request-to-exit devices can be a push-button or a motion detector. When the button is pushed, or the motion detector detects motion at the door, the door alarm is temporarily ignored while the door is opened. Exiting a door without having to electrically unlock the door is called mechanical free egress. This is an important safety feature. In cases where the lock must be electrically unlocked on exit, the request-to-exit device also unlocks the door;


OMTRFID Ltd provided access control cards with below specifications.

Name:Smart Card

Length:85.48~85.72mm

Width:53.92~54.02mm

Antenna size:75x45mm

Thickness:0.80+/-0.04mm

Chip:FM1108

Frequency:13.56Mhz

Protocol:14443A

Material:PVC

ISO: ISO7816

Printable:both silk printing and offset printing

Featured:Water-proof, stand high temperature

Working temp: -20~85 degrees

Othercrafts: thermal printed numbers, signature panel, etc.

Packing: packing into opp bags, 200pcs/inner box, 10boxes/carton;

Box’s size:21x9x6mm, Carton’s size:50x25x21cm

Net/gross weight:13/13.3 per carton


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  • E-mail: sales@omtrfid.com /  info@omtrfid.com
  • Tel: +86 755 2663 1504
  • Fax: +86 755 2663 1504
  • Add: Room D-1401, Cuihu Business Center Dahe Road, Longhua New District, Shenzhen 518109

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