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About dual frequency proximity card

226 dual frequency proximity card products are offered for sale by suppliers on Alibaba.com, of which access control cards accounts for 26%. A wide variety of dual frequency proximity card options are available to you, such as rfid, nfc.You can also choose from pvc, metal and plastic dual frequency proximity card,as well as from waterproof, weatherproof, and mini tag dual frequency proximity card, and whether dual frequency proximity card is 125khz, 134.2khz, or 13.56mhz.