... , chip:TK4100,EM4200,T5577,EM4305 125Khz TK4100,EM4200,T5577 Low Frequency Card smart card/smart tag operating temperature of -40C ~ ... fast delivery.Supply rfid tags to Sam Sung.Professional manufacturer. Frequency: LF 125khzHF 13.56mhzUHF 860-960Mhz Chip: EM4200/TK4100/ ... 30 x 15, Dia.45, Dia.35, Dia.25, or custom size Application: Public transportation,payment card,access control ,assest management ...