Generic,blank 13.56mhz+125khz dual frequency F08+TK4100 rfid chip card,proximity rfid dual chip card,pvc proximity double chip card,ic id chip rfid composite card,pack of 500*Chip Information Chip: F08+tk4100 Frequency: 13.56mhz+125khz Standard: ISO14443A+ISO11785 Reading Distance: 1-8CM Responding Speed: 1-2MS Data Storage Period: 10 years Typical Application: enterprise/campus card, access control, hotel card, bus card, highway fees, parking lot management, residential management, and so on. *Material: PVC *Size: 85.5x54x0.84mm *Surface: Gloss Finish *Write Endurance: more than 100,000times *this card only can be printed by sublimation card printer. Thank you for your visit,please don't hesitate to tell me when you have any questions. i am always here waiting for your consultation and orders.