Dual Chip Frequency RFID 13.56Mhz 1K UID and EM4305 or t5577 125 kHz ID key tag Readable Writable

We support OEM, if big quantity, pls contact us, we will give you best price. pls leave message which color you want! if not , we will send color randomly. Dual Chip Frequency RFID 13.56Mhz 1K UID and EM4305 or t5577 125 kHz ID key tag Readable Writable Rewrite for copy clone backup Package include Features: 1,) 100% brand new and High quality,Waterproof,dustproof 2,) Sector block 0 which can be changed and 125khz keyfobs 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:UID&T5577(or em4305) dual chip Read/Write Time:1~2 ms Rewitable:> 100,000 times Data Retention:> 10 years Material:PVC, PET, AL Inlay Color:7 kind Size:40*32*4.2MM Operating temperature: -20 degree to +85 degree