: Do not place the reader on large metal or magnetic surfaces, as this can degrade the RF signal and prevent successful reads. R20XC Specifications MF Card Reader with USB Interface
For advanced users, some versions allow a "Virtual Serial Port" setup, which is useful for custom scripts or integrating with specific software. Recommended Software Tools r20xcusb software
: Place a compatible 13.56 MHz tag on the reader surface. The LED will blink green, the buzzer will sound once, and the card's ID number will appear in the document. 4. Common Use Cases : Do not place the reader on large