Proximity clamshell card is usually for acces control that different chipis available such as EM4100/4102. It could be number printing as different format such as 8H-10D,8H-8D, 10H-14D,Wiegand 26,etc.

The EM4100 (previously named H4100) is a CMOS integrated circuit for use in electronic Read Only RF transponders. Features: 64 bit memory array laser programmable Operating frequency: 100-150KHz On chip voltage limiter

Application: Logistics automation; Anti counterfeiting; Access control; Industrial transponder

Card Physics: Dimension: CR80, 1. 8mm PVC or PET material, be available with offset printing, silk-screen printing Made into other shapes: tag, keychain, glass tag etc.

1) shape: label, ticket, card, glass tag, integrated, wristband, button, keychain tag.

2) readonly card (em4100, em4102, tk4100, em4069) , read / write (t5557) .

3) ISO card could be with hico or loco magnetic strip on

4) frequency: 125khz 5) functions: water proof, flexible, anti-collision etc.

6) application: animal tracking, access control, time attendance