The advantage of contactless reading and compatible MSR module housing, useing PROMAG RFID technology at 13.56Mhz or 125KHz is your best system upgradeable scenario.

PROMAG RFID reader module RF222 / MF222 is the best choice to upgrade specification from Magnetic stripe module to RFID reader module, it is very simple to install RFID reader module just change RF222 / MF222 RFID module to original interface of MSR module without any additional hardware or enclosure tooling change.