Advantage of fpc mini nfc sticker: 1. Antenna process: the traditional etching aluminum antenna due to its material properties, can not make smaller antenna,pared to the copper material properties, copper is more stable, corrosion-resistant, you can create a more stable frequency, smaller size of the antenna. 2.Product: MIFARE NFC tag Material: PVC/PET/Paper Size: Diameter 25mm, 30mm, 35*35mm, 35*26mm, 40*25mm, 50*50mm, and as requested Frequency: 13.56Mhz/HF Protocol: ISO 14443A/HF Chip: NXP Mifare 1k, NXP Ultralight, Ultralight C, Ntag 213/215/216, etc. Printing: Silk printing, offset printing, digital printing MOQ: 500 pcs Sample: Free Samples are available upon …About products and suppliers: 13.56mhz nfc card sets areputer-controlled cards situated at the entrances of buildings to ensure security..13.56mhz nfc card devices enable only authorized person to enter into the safeguarded area. The. 13.56mhz nfc card can be swiped or waved in front of a reader, which then verifies the information before allowing access.NTAG215 Paper NFC Tag. TAG215 Paper NFC Tag Descriptions: The technology used by NTAG215 Paper NFC Tag is a perfect fit for various NFC applications, such as embedded NFC tags in posters, signs, menus, labels and business cards which immediately launch mobile phone applications or connect the user to social media websites.