UHPPOTE Contactless 125kHz ID RFID Proximity Smart Card for Access Control & Time Attandance (Pack of 50) Standard 125Khz ID Car; Can't been programmed Compatible with standard ID access devices or ID reader Can not support HID Can't compatible with UHF reader and encrypted readers, for example, HID,Indala, Cobra, APCiK, Paradox, Radio, etc. Pre-programmed with unique 18-digit ID number on each card. (The first 10 digits are the ABA code, the last 8 digits are wiegand code) 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.) This RFID card is read only, can not been programmed Can&#039;t been programmed Operation Frequency: 125KHz TK4100 Chip Standard ID compatible Compatible standard ID door access devices or ID reader Contactless transmission of data and supply energy Ideal for use in ID and access control With card ID printing Size : approx. 3.37x2.13x0.07 Material : PVC &amp; ABS Operation Temperature : -40~185 Waterproof Please notice that our RFID cards cant be compatible with UHF reader and encrypted readers, for example, the reader of following brands: HID, Indala,Cobra, APCiK ,Paradox,Radio,Honeywell,etc Please consult your technician to ensure your reader will support normal (non-encrypted) standard 125KHz RFID cards 50 x RFID Cards (Cant been programmed) Please notice that our RFID cards <span class="a-text-bold">can&#039;t </span>be compatible with UHF reader and encrypted readers, for example, the reader of following brands: HID,Indala, Cobra, APCiK ,Paradox,Radio,Honeywell,etc 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.)