The MIFARE® classic family is the pioneer and front runner in contact-less smart card ICs operating in the 13.56 MHz frequency range with read/write capability.
NXP Mifare® Classic 1 K (7 bytes UID, New Chip)
(Non-NXP) Classic 1K (Price US$ 0.10+)
NXP Mifare® Ultralight
NXP Mifare® Classic 4K (7 bytes UID, New Chip)
NXP Mifare® DESFire 4K
Printing and Other Services
(UID, ID, Serial Number, Magstrip, Barcode, Signature Panel, Automatic Key Formating,...