Dia27mm Custom Printed NTAG215 NFC Anti-metal StickersNFC Labels/Sticker are made of Art-Paper,PVC with logo customized,which is round size,NFC tags are passive devices, which means that they operate without a power supply of their own and are reliant on an active device to come into range before they are activated. Available Size For NTAG203/213/215/216:Round Size: Dia18mm, Dia20mm,Dia25mm,Dia27mm,Dia30mm,Dia35mm,Dia40mm,Dia45mm,Dia50mm,Square Size:25*25mm,30*30mm,35*35mm,45*45mm,50*50mm,Rectangle Size:12*20mm,13*20mm,15*20mm,25*40mm,30*45mm,31*46mm,35*50mm,50*80mm,54*86mm,38*120mm,25*300mm,Unique Elements : QR Codes / ID PrintIf required, we can print these stickers with a unique QR Code and/or ID sequence of your choice. You can provide the QR Code and/or ID data to us within your encoding file.Artwork RequirementsWe can work with a range of standard file formats, however vector graphics (such as illustrator or pdf files) or images with a resolution 300dpi or greater will be better.Encoding We can provide NFC Tag encoding with single Website,single Text,vCard and variety encoding like Data,Text,URL,SMS,Email,vCardPackage Stickers are supplied either individually, in strips or on a reel or single one piece.Supplied on reels of1000,2000,5000 or strips depending on quantity ordered.DeliveryProduction time for orders up to 2,000 stickers is usually 7-9 working days, including encoding.International door to door Express1 DHL,UPS,Fedex,TNT,EMS,Aremex,2 By Air(Faster and cheaper for large order)3 By ship(Cheapest shipping way)What's NFC ?Near Field Communication (NFC) is a wireless communication technology a bit like WiFi orBluetooth. It allows the transfer of data between two devices, such as a mobile phone and NFC tag. Typically, NFC is used to pass data from one device to the other.