The TDSi 2920-3003 Mifare 4K cards with serial number are high-quality access control cards that are ideal for a wide range of uses. Operating at 13.56 MHz frequency, these cards have a 4K-byte memory and come complete with a unique serial number for easy issuance.
Sold in packs of 100
CR80 card size (86mm x 54mm)
13.56 MHz operating frequency