HiLetgo RDM6300 125 KHZ EM4100 RFID Card Read Module UART Serial Output for Arduino

Price: $8.29
(as of Feb 28, 2023 18:31:27 UTC – Details)

Installation is more convenient: direct serial read, all pins lead to electronic building blocks interface
Higher Sensitivity: Advanced RF Receiving Line, Embedded Microcontroller Design, Efficient Decoding Algorithm
More compact size: the full version of the design optimization, rational wiring, practical superior performance
Support external antenna.Maximum effective distance up to 50mm.
Support EM4100 compatible read only or read/write tags.