10pcs Dual Chip Frequency RFID 13.56Mhz 1K CUID and T5577 125 kHz ID card Readable Writable Rewrite for copy clone backup copier |

10pcs Dual Chip Frequency RFID 13.56Mhz 1K CUID and T5577 125 kHz ID card Readable Writable Rewrite for copy clone backup copier |

10pcs IC+ID CUID 13.56MHZ UID Changeable Writable Rewritable Composite Key Tags Keyfob Dual Chip Frequency + RFID 125KHZ T5577 EM4305   Features:   1,) 100% brand new and High quality,Waterproof,dustproof   2,) Sector block 0 which can be changed and 125khz cards could be copied arbitrarily   3,)  Dual frequency,dual chip,compatible 125khz and 13.56mhz access control system   4,)  Readable and rewritable,No external power required   Specification:   Frequency:13.56MHz+125khz   Card chip:CUID(block 0 Writable Support android phone NFC modify UID)+T5577/EM4305 (Writable) dual chip   Read/Write Time:1~2 ms   Rewitable:> 100,000 times   Data Retention:> 10 years   Material:ABS   Application:   Access control, hotel locks, staff attendance, school campus access, membership management, payment control, identification and security systems, parking lot entry, social security management, transportation, municipal and ancillary service.