Chip: Philips Mifare 1 S50-Storage Capacity: 8Kbit, 16 Districts, Two Groups of Numbers at Each District-Frequency: 13.56 MHz-Communication Speed: 106KBoud-Read Distance: 2.5~10cm-Read Interval: 1~2ms-Working Temperature: -20~85 Centigrade-Read Write Duration: >100, 000 Times-Data Storage Duration: >10 Years-Dimensions: ISO Standard 85.6x54x0.80mm /Thin Card/Thick Card- Material: PVC\ABS\PET\PETG-Encapsulation Method: Lamination/Auto Ultrasonic Encapsulation/Auto Soldering-Typical Applications: Enterprise Management, School/Campus Management, Public Transportation, Express-way Tollgate, Parking Lot, Residence District Management . Dimension:cr80, 0.76mm x 85.5mm x 54mm. Weight:22g.