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Shanghai Huayuan Smart Information Technology Co.,Ltd

Free member Since 2005
Shanghai, China
RFID work principle For access control and security use Laminate card with ICs 125khz and 13.56mhz 64bit memory array laser programmable Operating frequency: 100 to 150kHz On-chip voltage limiter LF: Unique EM4100/4102, GK4001 R/W EM4550, Atmel...
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Phoebe Bo ( Shanghai Huayuan Smart Information Technology Co.,Ltd )
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