... :500PCs 4/ Chip:LF HF UHF Detailed information: Contactless smart card (ID CARD)Productcontactless IC card, ID card,M1cardChip availableTK4001,TK4100,TK28,EM4001,EM4100,H4001Working frequency125KHZSense ... all kinds of cards for smart card, VIP card, barcode card ,magnetic card, membership card, M1 card, contact card, contactless card,metal card, portrait card, irregular card and so on.Our aim ...