100pcs S50 Cloneable RFID Cards

These white PVC proximity cards measure 85.5 x 54 x 0.84 mm — matching standard credit card dimensions for easy handling and compatibility with most cardholders, printers, and readers. Built around the widely supported MF1S50 chip, they operate at 13.56 MHz and follow ISO14443A communication standards. Storage is organised into 16 sectors (1 KB total), each supporting dual password protection for secure, segmented data storage. Read distance is consistently 8–10 cm with standard UK/EU access readers. Cards maintain stored data for up to 10 years and endure over 100,000 read/write operations. Suitable for access control, time & attendance systems, bus ticketing, highway tolls, patrol management, and branded business card use.