20pcs 13.56MHz IC Card, MF Calc 1k RFID Intelligent Access Control Management Card, NFC Tag (Blue) Blue
20pcs 13.56MHz IC Card, MF Calc 1k RFID Intelligent Access Control Management Card, NFC Tag (Blue)
20pcs 13.56MHz IC Card, mf Calc 1k RFID Intelligent Access Control Management Card, NFC Tag
Product Features
- 1. The product has an integrated MF Classic 1k, an operating frequency of 13.56 MHz and the ISO14443A protocol
- 2. Memory of 1024 kB, supports reading and writing, note that all cards are pre-programmed with a unique ID (4-byte UID). UID cannot be changed, default key:FF
- 3. Compatible with various 13.56 MHz RFID card readers
- 4. 20 per serving
- 5. Widely used in access control, elevator control, schools, supermarkets, hotel parking lots, warehouses and other scenarios