3 pcs Mifare1 ISO14443A TTL RS232 3.3V Antenna built-in Read & Write module

▲ Supports ISO14443A /MIFARE. ▲ RFID Read/Write module Base on RC522 and with built-in transceiver antenna. 3x rfid module. ▲ Size: 58mm × 35mm × 6mm. ▲ Internal self test. ▲ 1 LED indicator, 3 programmable I/O pins.

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