50Piece/lot Em4305 Rewritable 125Khz Rfid ID Tag Token Keyfobs Ring

Description

12 bit EEPROM organized in 16 words of 32 bit 32bit UID (unique identifier) 32 bit Password read and write protection Compatible with EM4469/EM4569 communication protocol Material: ABS Dimension: 43.7x30.5x5.3mm Response frequency: 125Khz Chip type: em4305 Detecting distance: 3-10cm Notice: The key is a blank card, item need to write data before using, otherwise it can not be used (125Khz RFID card reader will not respond to the blank card.) Package List: 50* EM4305 Keyfob