CR80 TK4100 Blank 125khz Proximity Cards,You Can Buy Various High Quality Lf 125khz Rfid Card Products from Global Lf 125khz Rfid Card Suppliers and Proximity Cards Manufacturers at : ... > Large modulation depth due to a low impedance modulation device ... With RFID, NFC id card has the characteristics of two-way connection and ...Blank Low Frequence 125KHz IDC80 Proximity RFID ID Card: Material: PVC, ABS, PET: Size: 85.5*54mm, or customized: Printing: Silk printing, offset printing, digital printing: Frequency: KHz, 13.56 MHz, MHz: Protocal: ISO11784/785, ISO14443A, ISC: Chip: LF: TK 4100, EM 4200, EM 4305, T5577, etcTK4100 RFID Card is 125Khz proximity card read only RFID cards. TK4100 card ispatible with EM proximity card, such as EM4100 card and EM4102 card. The performance and usage of the two chips are the same.Product Description. Low Frequency 125KHz RFID Smart Card is widely used and can be applied to places where identity is needed. Surface: glossy, matte, frosted. Standard size: 85.5*54*0.84mm or as requested. Frequency: LH/125KHz HF/13.56MHz UHF/860MHz.