About MF 1K chip :
1024 Bytes memory (1K Bytes ) , 716 byte User memory ;
MF 1K with large memory ,but some NFC phone can't match this chip ;
Please make sure your NFC phone can match 1K chip before you confirm order .
Available Die Cut Size :
φ25, φ 32,φ35,φ40,φ45, φ60 ,φ70mm etc.
Operating Temperature:-25°C to 100°C