10pcs 2 In 1 Dual Chip Frequency RFID Keyfob 125KHZ T5577 +13.56MHZ UID Rewritable Composite Access Control Key Tags IC+ID

Specification:

Frequency: 13.56 Mhz + 125 Khz

Card Chip: F08 + Tk4100 / Em4100 Dual Chip

Data Retention:> 10 Years

Operating Temperature: -20-85 Degrees

Quantity: 10pcs