... ISO7816 3, chip:TK4100,EM4200,T5577,EM4305 125Khz Proximity Clamshell Smart Card smart card/smart tag operating temperature of -40C ~ +70C. ... Supply rfid tags to Sam Sung.Professional manufacturer. Frequency: LF 125khzHF 13.56mhzUHF 860-960Mhz Chip: EM4200/TK4100/T5577 ... Dia.25, or custom size Application: Public transportation,payment card,access control ,assest management,NFC Mobile payment,E-ticket, ...