Quick Details Place of Origin: Guangdong, China (Mainland) Brand Name: GRCARD Model Number: TK4100 Specifications 125khz PVC RFID TK4100 Thin Card 1.Material : PVC 2. Size: 85.5*54*0.90mm/1.8mm 3.Frequency: 125KHZ 125khz PVC RFID TK4100 Thin Card Card type : contactless ID card Chip: TK 4100 Frequency: 125KHZ Sensing distance: 2-15CM Size: 86mm * 54mm, CR80 Thinckness: Thin Card Thickness: 0.90mm Thick Card:1.8mm Material : PVC, Number : consecutive numbers of code spraying Craft: The blank card, printing card http://www.smacarte.com