Customize 125khz LF card, China Factory Supplier With ...
Customized Printing 125KHZ LF EM4450 Smart RFID Card For Time And Attendance The EM4450 key card is a CMOS integrated circuit intented for use in electronic Read/Write RF Transponders. The chip contains 1 KBit of EEPROM which can be configured by the user, allowing a write inhibited area, a read protected area, and a read area output ...
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