Product name:NFC 8K Cards,Antenna size: 76*45mmCraft: blank white cards printable with Card printerCards size:Standard credit card size 85.5x54mmThickness: 0.84mmMaterial: Top quality PVCWith overlay can printable with your cards printer,such as Evolis pebble 4. Chip specifications:Chip Type: NFC 8KProtocol: ISO 14443AOperating Frequency: 13.56MHZNFC Forum Type: NFC Forum Type 4 tagReading distance: 0~10cmMemory: 8k bytesUsable memory: 7678 bytesWrite endurance: more than 500000Data Retention: more than 10 yearsOperating environment:Operating temperature: -25 °C to 70 °CStorage temperature: -55 °C to 125 °C Application:Compatible with all NFC functional phone.Big memory NOTE:Graphics Quality Cards For All Photo ID Card Printers IncludingDataCard, Zebra, Fargo, Evolis, Magicard, NBS & etc. (These Cards Will Not Work In Inkjet Printers) Package: 10pcs NFC 8K cards forum type 4 cards Payment policy1. Payment way: Escrow.2. Please pay the money within 3 days after the auction ended. 3. We are not responsible for custom duties and related taxes.4. 24 hours technician support and online service,Closely follow up the cargos until arrived.For shipping : 1. Our shipping rates include the cost of shipping, handling, packaging and related manpower costs.2. To USA,We will use Epacket shipping,it takes about 5~15 working days to USA.All the other item will be shipped by Airmail post within 3 business days, It takes approximately 8-19 workdays (CA, AU, UK, EU). other country 15-35 workdays.3. All items will be shipped to buy\'s address in the order.if you need to ship to other address,please contact with us.4. We are not responsible for wrong or undeliverable address. We reserve the right to charge the shipping fee again for returned items due to wrong address.Return policy: 1. Our goal is providing our client 100% satisfaction.2. 7 Days Money Back Guarantee and Full One Year Limited Warranty from the date of original purchase. 3. We accept the returns unused / untested condition with orignal packaging. Buyer has the responsibility to send it back by recorded delivery with his own expense. 4. For more questions,please contact with us. Feedback:1. If you are satisfied with our service, please leave us a positive feedback with 5 scores2. We are always ready to being in touch to answer any questions or just see that all is going smoothly. Please contact us to resolve the issue before leaving negative feedback.