Hailege 2pcs RDM630 125 KHZ EM4100 RFID Card Read Module UART Serial Output for Arduino

Support external antenna.Maximum effective distance up to 50mm.RDM630 125 KHZ EM4100 RFID Card Read Module KitInstallation is more convenient: direct serial read, all pins lead to electronic building blocks interfaceSupport EM4100 compatible read only or read/write tags.

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Support external antenna.Maximum effective distance up to 50mm.
RDM630 125 KHZ EM4100 RFID Card Read Module Kit
Installation is more convenient: direct serial read, all pins lead to electronic building blocks interface
Support EM4100 compatible read only or read/write tags.