Features Readable, writable, identifiable, and encryptable Product specifications Material PVC, PET, ABS, PETG Working temperature -35℃±85℃ Operating frequency low frequency 125KHz high frequency 13.56MHz ultra high frequency 860-960MHz Available chips Commonly used chips TK4100, EM4200, EM4100, EM4305, FM11RF08, S50, S70, Alien H3(9662), etc. Optional technology: convex code, concave code, inkjet, flat code, laser code, UV printing, bar code, magnetic stripe, anti-counterfeiting