Amazon.com : 125khz RFID EM4100 TK4100 Clamshell
Product Name : RFID ID Clamshell Card Dimensions: 86 x 54mm Thickness: 1.8mm Frequency: 125kHz Proximity card EM4100, 64bits (EM-marine) with 64bits Read only memory,Proximity cards EM4100 is a great solution for access control and time attendance systems, which do not require very high security level. EM4100 proximity card is widely used RFID ...
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