rf (EM4200,T5577,MIFARE,UHF etc): Magnetic Stripe Option: 300oe, 4000oe ect EM4100 RFID Card ... Numbering: Jet dot ect. rf (EM4200,T5577,MIFARE,UHF etc) :EM4100/4102 unique/EM marin is very mature, simple ... flat surface for single card printer. rf (EM4200,T5577,MIFARE,UHF etc)