ISO CR-80 (85.6 x 54 x 0.76 mm) proximity smart card 13.56 MHz + 125 KHz without contact chip. MIFARE™ EV1 4 Kbyte memory (40 sectors) at 13.56 MHz and 64 bits read-only at 125 KHz (ATA5577™ chip). 7-byte UID (MIFARE™). Anti collision at 13.56 MHz. Made of PVC. White, no screen printing, except for the marking of the insert slots. Minimum order: 2,000 units (in packages of 2,000 units).