M1 S20 S50 RFID UID IC Card RS485 RS232 TTL UART 13.56MHz RFID Reader Writer RC522 CV520 Module
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RS485 RS232 UART 13.56MHz RFID Reader Writer RC522 CV520 for M1 S50 S70 NFC RFID UID IC Card](http://ae04.alicdn.com/kf/S8957069745be4cbaa725327fa7d3e720R.jpg)
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RS485 RS232 UART 13.56MHz RFID Reader Writer RC522 CV520 for M1 S50 S70 NFC RFID UID IC Card
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RS485 RS232 UART 13.56MHz RFID Reader Writer RC522 CV520 for M1 S50 S70 NFC RFID UID IC Card