<p><b>Specifications:</b><br> Pre-programmed with unique 18-digit ID number in each card (The first 10 digitals is ABA code, the last 8 digitals is wiegand code.)<br><b>This RFID card is read only, can not been programmed</b><br>Can't been programmed<br> Operation Frequency: 125KHz<br>TK4100 Chip<br> Standard ID compatible<br> Compatible standard ID door access devices or ID reader<br> Contactless transmission of data and supply energy<br> Ideal for use in ID and access control<br> With card ID printing<br> Size: Standard Credit Card Size (CR-80) and Thickness (3.375" x 2.125", 30 mil thick)<br> Color: White<br> Quantity: 50<br> Material: PVC & ABS<br> Operation Temperature: -40℃~85℃ / -40℉~185℉<br>Waterproof</p> <p> <b>Note:</b><br> Please notice that our RFID cards <b>can not</b> be compatible with UHF reader and encrypted readers, for example, the reader of following brands: <b>HID, Indala,Cobra, APCiK ,Paradox,Radio,Honeywell,etc</b><br>Please consult your technician to ensure your reader will support normal (non-encrypted) standard 125KHz RFID cards</p> <p> <b>Package included:</b><br> 50 x RFID Cards (Can not been programmed)</p>