6433 em rfid cards products are offered for sale by suppliers on Cooig.com, of which access control card readers accounts for 38%, access control cards accounts for 16%, and guard tour system accounts for 1%.
A wide variety of em rfid cards options are available to you, such as rfid, nfc.You can also choose from pvc, metal and plastic em rfid cards,as well as from waterproof, weatherproof, and mini tag em rfid cards, and whether em rfid cards is 125khz, 134.2khz, or 13.56mhz.