Proximity 125khz em programming rfid cards TK4100 EM4100 chip

Proximity 125khz em programming rfid cards TK4100 EM4100 chip Product Description: 1.Printing options Offset printing(CMYK);Silk screen printing(Panton Color);Digital printing, inkjet printing, thermal printing;- Hot stamp foil color ( gold, silver, laser red gold etc);- Security logo printing;- Hologram logo. 2. Size- CR80 : 2.125*3.375 inch (85.6*54 mm)or customized die cut shape;- CR90: 3.63*2.37 inch ( 92.7*60.33mm)- CR50: 88.9*43.69mm- Thickness: Ultra-thin (without chip