Choose 5 or 10 pieces of CUID Magic NFC Cards Easily change the UID with your Android phone Clone and duplicate MIFARE Classic 1K cards with writable data blocks Compatible with most NFC-enabled Android devices Perfect for testing, security research, access control, and DIY projects Cards operate at 13.56MHz frequency (High Frequency) Ready to use—no extra equipment needed Ideal for developers, hobbyists, and security enthusiasts
eBay