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125KHz Printed TK4100/EM4200 RFID CardsTypically LF RFID cards operate at 125 KHz, although there are some that operate at 134 KHz.So most LF RFID cards are 125KHz or 134KHz ;LF RFID cards provides a short read range of 10 cm, and has slower read speed than the HF RFID cards, but is not very sensitive to radio wave interference.LF RFID cards applications include access control and livestock tracki..

LF 125KHz EM4200 compatible chip TK4100 RFID CardsChip:TK4100 ;Memory : 64 bits read only ;Size : 85.5*54 mm , Available chip : ISO 15693 and ISO 14443A ;MOQ :100 pcs ..