125Khz TK4100,Clamshell Smart Card 1, Logo full color printed 2, ISO7816 3, chip:TK4100,EM4200,T5577,EM4305 125Khz Proximity Clamshell Smart Card smart card/smart tag operating temperature of -40C ~ +70C. Suitable for any application in this form-factor is desired with read distance of up to 70 mm (depends on reader).High quality and fast delivery.Supply rfid tags to Sam Sung.Professional ...