100pcs UID Fob 13.56MHz Block 0 Sector Writable IC Card Clone Changeable Smart Keyfobs Key Tags RFID Access Control on Sale
$1.03Specification: Chip made in China Advantages: made of imported high-temperature composite materials, with high-temperature resistance, superior folding characteristics 16 section,every section for 4 block,every block for 16Bit,block for unit Every section has an independent code to access and control Every card has an only serial number, by 32K No power, antenna oneself, inside contain password…