Applications: Enterprises, bank, traffic, insurance, super marketing, parking, school, library management, access control ect. About us: Techcrepower is one very profess 2006, we had provided hundreds of millions of Smart card, RFID contactless card, ABS key tag, NFC tag, Wristband tag, Disc tag with various chips 125KHZ/13.56MHZ in China …About products and suppliers: rfid m1 card sets areputer-controlled cards situated at the entrances of buildings to ensure security.rfid m1 card devices enable only authorized person to enter into the safeguarded e rfid m1 card can be swiped or waved in front of a reader, which then verifies the information before allowing access.Creating a digital. business card is quite simple and doesn’t have to be very expensive. Here’s what you need: Some NFC tags. We got ours from , but you can find them on Amazon or DealExtreme as well. Be sure to check how much memory you need to put NFC tags have a REALLY small storage capa (think bytes!).- Access control: Many buildings and schools require RFID tagged cards to be used for entry. - Credit cards: Chase, and a few other banks, now issue credit cards embedded with RFID chips, called people it is an added convenience, but in reality it is a huge security risk.