100pcs UID Keys 13.56mhz Keyfob Keychain RFID Access Control Clone Key Card Token Writable IC Card Clone Changeable Waterproof

UID Keyfob 13.56mhz RFID

This card works the same as the normal IC cards as Mif 1K S50 standard, but the Sector 0 Block Zero which is known as the Serial Number of Manufacturers Block (Chip UID) could be programmed to any UID you want.

Please note that this type card is not work with phone which use nfc to write, also not work with Mifare Classic Tools (MCT).

Specification:

UID card block 0 (UID's block) can be modified arbitrarily.

block 0 directly with normal mif read-write device modification.

Material: ABS

Dimensions: Approximately 43.7x30.5x5.3mm

Response frequency: 13.56mHz,

Chip type: UID

Waterproof

Each comes with Key ring included