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13.56mhz Rfid Module Rc522 Rfid Reader Writer Module With Rfid Tag S50 Fudan Card Key Spi Read Write For Arduino - Industrial Computer & Accessories - AliExpress
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Id Card Decoder Rfid Reader Module 125khz Tk4100 Uart Output Board For Access Control Diy Modification - Integrated Circuits - AliExpress
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Mifare 13.56Mhz RC522 RFID Card Reader Module [MFRC-522] - US $1.25 : HAOYU Electronics : Make Engineers Job Easier
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