10 pcs BABIQT M1 Keyfobs Classic 1K Tags RFID Key Fob S50 IC F08 Token Key Cards ISO14443A 13.56 MHz Black M1 Access Control Key Card for Entry Access Control System - UID Unchangable

Features

• Quantity: 10 pieces M1 classic 1K keyfobs tags proximity cards. Size: 40mm x 30mm x 4mm. These F08 token key cards are made of ABS material, waterproof, drop-proof, high temperature resistant, stable and durable function, long service. Note 1: The UID cannot be changed or rewritedNote 2: Please make sure this 13.56MH RFID keyfob is compatible with your lock system before purchasing
• Application: These M1 F08 keyfobs work with KABA, SAFLOK, MIWA and ONITY LOCKS, NOT work with HID, Salto, Assa, or Abloy Locks/Systems. NOT compatible with AMIIBO or any 125kHz Readers. NOT compatible with High-security encryption card systems, such as the MF DESFire series, CPU cards, SM4, etc. Note: MF Classic systems with sector encryption enabledeven though they are M1 cardscannot be operated by standard read/write devices if the property management enabled KeyA/B sector encryption when issuing the cards, as the devices lack the necessary keys.
• Chip: High quality MF1 Classic 1k S50 chip, working frequency: 13.56MHz, 1024 byte memory, ISO/IEC 14443-A protocol, password read and write protection, high scan strength, easy to program. Service life: 10 years, 100,000 writes. The internal storage of the M1 card is divided into 16 sectors, with each sector containing 4 blocks, and each block consisting of 16 bytes. Data Blocks (Blocks 02): Store actual data. End of Sector (Block 3): Stores the sectors KeyA, KeyB, and access control bits. These M1 RFID key cards are pre-programmed with a unique ID, 4-byte UID.Note: The ID number is NOT engraved on the keyfob casing
• Compatibility: The M1 13.56MHz F08 Token key tags are compatible with RC522, PN532 readers and most entry access control systems. Factory default key: FF FF FF FF FF FF or 000000000000. The key used during writing must match the key currently set in the target sector; otherwise, the operation will be rejected.Note: If you want to add the MF1 keyfobs to your lock system, please ensure that your lock system is compatible with frequency 13.56MHz
• Pay Attention to the Special Sector 0. UID Area: The first 4 bytes of Block 0 in Sector 0 contain the cards unique serial number (UID), which is permanently programmed at the factory and serves as the M1 cards identifier. The UID of a standard M1 card cannot be modified; attempting to overwrite it will result in errors or card damage. If, for any reason, you're not satisfied with our m1 RFID keyfobs, please do not hesitate to contact us and we will try our best to make things right.