The SMB130 is a 28 pin DIP module that includes all necessary components for a 13.56 MHz RFID Mifare, aside from a PCB antenna.
The module communicates over UART or I2C with simple protocols. It also has 2 general purpose inputs and 2 general purpose outputs for switches, relays, etc.
UART interface up to 115200bps
I2C interface up to 400 KHz
Complete read/write module excluding antenna
2 general purpose outputs
2 general purpose inputs